Quotes about principle
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Barack Obama photo
Thomas Paine photo

“The Almighty Lecturer, by displaying the principles of science in the structure of the universe, has invited man to study and to imitation.”

1790s, The Age of Reason, Part I (1794)
Context: The Almighty Lecturer, by displaying the principles of science in the structure of the universe, has invited man to study and to imitation. It is as if He had said to the inhabitants of this globe that we call ours, "I have made an earth for man to dwell upon, and I have rendered the starry heavens visible, to teach him science and the arts. He can now provide for his own comfort, and learn from my munificence to all to be kind to each other".

Theodore Roosevelt photo

“Justice and fair dealings among nations rest upon principles identical with those which control justice and fair dealing among the individuals of which nations are composed”

Theodore Roosevelt (1858–1919) American politician, 26th president of the United States

1910s, The New Nationalism (1910)
Context: Justice and fair dealings among nations rest upon principles identical with those which control justice and fair dealing among the individuals of which nations are composed, with the vital exception that each nation must do its own part in international police work. If you get into trouble here, you can call for the police; but if Uncle Sam gets into trouble, he has got to be his own policeman, and I want to see him strong enough to encourage the peaceful aspirations of other people’s in connection with us. I believe in national friendships and heartiest good-will to all nations; but national friendships, like those between men, must be founded on respect as well as on liking, on forbearance as well as upon trust. I should be heartily ashamed of any American who did not try to make the American government act as justly toward the other nations in international relations as he himself would act toward any individual in private relations. I should be heartily ashamed to see us wrong a weaker power, and I should hang my head forever if we tamely suffered wrong from a stronger power.

Barack Obama photo

“This is a core principle of my presidency: If you threaten America, you will find no safe haven.”

Barack Obama (1961) 44th President of the United States of America

2014, Statement on ISIL (September 2014)
Context: I have made it clear that we will hunt down terrorists who threaten our country, wherever they are. That means I will not hesitate to take action against ISIL in Syria, as well as Iraq. This is a core principle of my presidency: If you threaten America, you will find no safe haven.

Pierre Joseph Proudhon photo

“I must say that I recognized at once that we had never understood the meaning of these words, so common and yet so sacred: Justice, equity, liberty; that concerning each of these principles our ideas have been utterly obscure; and, in fact, that this ignorance was the sole cause, both of the poverty that devours us, and of all the calamities that have ever afflicted the human race.”

Pierre Joseph Proudhon (1809–1865) French politician, mutualist philosopher, economist, and socialist

Source: What is Property? (1840), Ch. I: "Method Pursued in this Work. The Idea of a Revolution"
Context: I have made every effort to obtain exact information, comparing doctrines, replying to objections, continually constructing equations and reductions from arguments, and weighing thousands of syllogisms in the scales of the most rigorous logic. In this laborious work, I have collected many interesting facts which I shall share with my friends and the public as soon as I have leisure. But I must say that I recognized at once that we had never understood the meaning of these words, so common and yet so sacred: Justice, equity, liberty; that concerning each of these principles our ideas have been utterly obscure; and, in fact, that this ignorance was the sole cause, both of the poverty that devours us, and of all the calamities that have ever afflicted the human race.

Abraham Lincoln photo

“We find a race of men living in that day whom we claim as our fathers and grandfathers; they were iron men; they fought for the principle that they were contending for; and we understood that by what they then did it has followed that the degree of prosperity which we now enjoy has come to us.”

Abraham Lincoln (1809–1865) 16th President of the United States

Speech in Reply to Senator Stephen Douglas in the Lincoln-Douglas debates http://www.bartleby.com/251/1003.html of the 1858 campaign for the U.S. Senate, at Chicago, Illinois (10 July 1858)
1850s, Lincoln–Douglas debates (1858)
Context: Now, it happens that we meet together once every year, sometimes about the fourth of July, for some reason or other. These fourth of July gatherings I suppose have their uses. … We are now a mighty nation; we are thirty, or about thirty, millions of people, and we own and inhabit about one-fifteenth part of the dry land of the whole earth. We run our memory back over the pages of history for about eighty-two years, and we discover that we were then a very small people in point of numbers, vastly inferior to what we are now, with a vastly less extent of country, with vastly less of everything we deem desirable among men; we look upon the change as exceedingly advantageous to us and to our posterity, and we fix upon something that happened away back, as in some way or other being connected with this rise of prosperity. We find a race of men living in that day whom we claim as our fathers and grandfathers; they were iron men; they fought for the principle that they were contending for; and we understood that by what they then did it has followed that the degree of prosperity which we now enjoy has come to us. We hold this annual celebration to remind ourselves of all the good done in this process of time, of how it was done and who did it, and how we are historically connected with it; and we go from these meetings in better humor with ourselves, we feel more attached the one to the other, and more firmly bound to the country we inhabit. In every way we are better men in the age, and race, and country in which we live, for these celebrations. But after we have done all this we have not yet reached the whole. There is something else connected with it. We have besides these, men descended by blood from our ancestors — among us, perhaps half our people, who are not descendants at all of these men; they are men who have come from Europe — German, Irish, French and Scandinavian — men that have come from Europe themselves, or whose ancestors have come hither and settled here, finding themselves our equals in all things. If they look back through this history to trace their connection with those days by blood, they find they have none, they cannot carry themselves back into that glorious epoch and make themselves feel that they are part of us, but when they look through that old Declaration of Independence, they find that those old men say that "We hold these truths to be self-evident, that all men are created equal" and then they feel that that moral sentiment taught in that day evidences their relation to those men, that it is the father of all moral principle in them, and that they have a right to claim it as though they were blood of the blood, and flesh of the flesh, of the men who wrote that Declaration; and so they are. That is the electric cord in that Declaration that links the hearts of patriotic and liberty-loving men together, that will link those patriotic hearts as long as the love of freedom exists in the minds of men throughout the world.

Barack Obama photo

“I believe that this movement of change cannot be turned back, and that we must stand alongside those who believe in the same core principles that have guided us through many storms: our opposition to violence directed at one’s own people; our support for a set of universal rights, including the freedom for people to express themselves and choose their leaders; our support for governments that are ultimately responsive to the aspirations of the people.
Born, as we are, out of a revolution by those who longed to be free, we welcome the fact that history is on the move in the Middle East and North Africa, and that young people are leading the way.”

Barack Obama (1961) 44th President of the United States of America

2011, Address on interventions in Libya (March 2011)
Context: I believe that this movement of change cannot be turned back, and that we must stand alongside those who believe in the same core principles that have guided us through many storms: our opposition to violence directed at one’s own people; our support for a set of universal rights, including the freedom for people to express themselves and choose their leaders; our support for governments that are ultimately responsive to the aspirations of the people.
Born, as we are, out of a revolution by those who longed to be free, we welcome the fact that history is on the move in the Middle East and North Africa, and that young people are leading the way. Because wherever people long to be free, they will find a friend in the United States. Ultimately, it is that faith — those ideals — that are the true measure of American leadership.

P. J. O'Rourke photo
Barack Obama photo

“I believe that the most important principle is a very simple one”

Barack Obama (1961) 44th President of the United States of America

2016, Young Leaders of the Americas Initiative Town Hall (March 2016)
Context: And I think one of the things that's important for bringing about further progress is that we listen to each other and we understand our differences. I don't think it's necessary for us to all speak one language, or all have the same foods, or all have the same customs. But I do believe that there are some universal principles that are important. I believe that the most important principle is a very simple one that is at the heart of most of the world’s great religions, which is treat somebody the same way you’d want to be treated. And if you start with that basic premise, then we will continue to make progress. But I also think that in order for us to make progress, we have to have that fellow feeling and we have to combine that with the use of our brains and reason, and our intellect. […] That requires not just a strong heart, but also using our heads. And if we do those two things, then I feel confident that we'll make progress.

Andrei Sakharov photo

“The author is quite aware of the monstrous relations in human and international affairs brought forth by the egotistical principle of capital when it is not under pressure from socialist and progressive forces.”

Andrei Sakharov (1921–1989) Soviet nuclear physicist and human rights activist

Progress, Coexistence and Intellectual Freedom (1968), Dangers, Police Dictatorships
Context: The author is quite aware of the monstrous relations in human and international affairs brought forth by the egotistical principle of capital when it is not under pressure from socialist and progressive forces. He also thinks, however, that progressives in the West understand this better than he does and are waging a struggle against these manifestations. The author is concentrating his attention on what is before his eyes and on what is obstructing, from his point of view, a worldwide overcoming of estrangement, obstructing the struggle for democracy, social progress, and intellectual freedom.
Our country has started on the path of cleansing away the foulness of Stalinism. "We are squeezing the slave out of ourselves drop by drop" (an expression of Anton Chekhov). We are learning to express our opinions, without taking the lead from the bosses and without fearing for our lives.

Abraham Lincoln photo

“Little by little, but steadily as man's march to the grave, we have been giving up the OLD for the NEW faith. Near eighty years ago we began by declaring that all men are created equal; but now from that beginning we have run down to the other declaration, that for SOME men to enslave OTHERS is a “sacred right of self-government.” These principles can not stand together. They are as opposite as God and mammon; and whoever holds to the one, must despise the other.”

Abraham Lincoln (1809–1865) 16th President of the United States

1850s, Speech at Peoria, Illinois (1854)
Context: Little by little, but steadily as man's march to the grave, we have been giving up the OLD for the NEW faith. Near eighty years ago we began by declaring that all men are created equal; but now from that beginning we have run down to the other declaration, that for SOME men to enslave OTHERS is a “sacred right of self-government.” These principles can not stand together. They are as opposite as God and mammon; and whoever holds to the one, must despise the other. [... ] Let no one be deceived. The spirit of seventy-six and the spirit of Nebraska, are utter antagonisms; and the former is being rapidly displaced by the latter.

Robert B. Laughlin photo

“I slowly became disillusioned with the reductionist ideal of physics, for it was completely clear that the outcome of these experiments was almost always impossible to predict from first principles, yet was right and meaningful and certainly regulated by the same microscopic laws that work in atoms.”

Robert B. Laughlin (1950) American physicist

On his education at MIT.
Nobel Prize autobiography (1998)
Context: I learned about X-ray diffraction, neutron scattering, raman scattering, infrared absorption spectroscopy, heat capacity, transport, time-dependent transport, magnetic resonance, electron diffraction, electron energy loss spectroscopy — all the experimental techniques that constitute the eyes and ears of modern solid state physics. As this occurred I slowly became disillusioned with the reductionist ideal of physics, for it was completely clear that the outcome of these experiments was almost always impossible to predict from first principles, yet was right and meaningful and certainly regulated by the same microscopic laws that work in atoms. Only many years later did I finally understand that this truth, which seems so natural to solid state physicists because they confront experiments so frequently, is actually quite alien to other branches of physics and is vigorously repudiated by many scientists on the grounds that things not amenable to reductionist thinking are not physics.

Miyamoto Musashi photo

“Without the correct principle the fight cannot be won.
The spirit of my school is to win through the wisdom of strategy, paying no attention to trifles. Study this well.”

Miyamoto Musashi (1584–1645) Japanese martial artist, writer, artist

Go Rin No Sho (1645), The Wind Book
Context: If you rely on strength, when you hit the enemy's sword you will inevitably hit too hard. If you do this, your own sword will be carried along as a result. Thus the saying, "The strongest hand wins", has no meaning.
In large-scale strategy, if you have a strong army and are relying on strength to win, but the enemy also has a strong army, the battle will be fierce. This is the same for both sides.
Without the correct principle the fight cannot be won.
The spirit of my school is to win through the wisdom of strategy, paying no attention to trifles. Study this well.

Bertrand Russell photo

“The supreme principle, both in politics and in private life, should be to promote all that is creative, and so to diminish the impulses and desires that center round possession.”

Bertrand Russell (1872–1970) logician, one of the first analytic philosophers and political activist

Principles of Social Reconstruction [Originally titled Why Men Fight : A Method Of Abolishing The International Duel], Ch. VIII : What We Can Do, p. 257
1910s
Context: It is preoccupation with possessions, more than anything else, that prevents men from living freely and nobly. The State and Property are the great embodiments of possessiveness; it is for this reason that they are against life, and that they issue in war. Possession means taking or keeping some good thing which another is prevented from enjoying; creation means putting into the world a good thing which otherwise no one would be able to enjoy. Since the material goods of the world must be divided among the population, and since some men are by nature brigands, there must be defensive possession, which will be regulated, in a good community, by some principle of impersonal justice. But all this is only the preface to a good life or good political institutions, in which creation will altogether outweigh possession, and distributive justice will exist as an uninteresting matter of course.
The supreme principle, both in politics and in private life, should be to promote all that is creative, and so to diminish the impulses and desires that center round possession.

Blaise Pascal photo

“I would inquire of reasonable persons whether this principle: Matter is naturally wholly incapable of thought, and this other: I think, therefore I am, are in fact the same in the mind of Descartes, and in that of St. Augustine, who said the same thing twelve hundred years before.”

Blaise Pascal (1623–1662) French mathematician, physicist, inventor, writer, and Christian philosopher

see St. Augustine, Civitate Dei, 1. XI, c. xxvi
The Art of Persuasion
Context: I would inquire of reasonable persons whether this principle: Matter is naturally wholly incapable of thought, and this other: I think, therefore I am, are in fact the same in the mind of Descartes, and in that of St. Augustine, who said the same thing twelve hundred years before.... I am far from affirming that Descartes is not the real author of it, even if he may have learned it only in reading this distinguished saint; for I know how much difference there is between writing a word by chance without making a longer and more extended reflection on it, and perceiving in this word an admirable series of conclusions, which prove the distinction between material and spiritual natures, and making of it a firm and sustained principle of a complete metaphysical system, as Descartes has pretended to do.... it is on this supposition that I say that this expression is as different in his writings from the saying in others who have said it by chance, as in a man full of life and strength, from a corpse.

Henri Barbusse photo

“They pervert the most admirable of moral principles. How many are the crimes of which they have made virtues merely by dowering them with the word "national"? They distort even truth itself. For the truth which is eternally the same they substitute each their national truth. So many nations, so many truths; and thus they falsify and twist the truth.”

Under Fire (1916), Ch. 24 - The Dawn
Context: There are all those things against you. Against you and your great common interests which as you dimly saw are the same thing in effect as justice, there are not only the sword-wavers, the profiteers, and the intriguers.
There is not only the prodigious opposition of interested parties — financiers, speculators great and small, armorplated in their banks and houses, who live on war and live in peace during war, with their brows stubbornly set upon a secret doctrine and their faces shut up like safes.
There are those who admire the exchange of flashing blows, who hail like women the bright colors of uniforms; those whom military music and the martial ballads poured upon the public intoxicate as with brandy; the dizzy-brained, the feeble-minded, the superstitious, the savages.
There are those who bury themselves in the past, on whose lips are the sayings only of bygone days, the traditionalists for whom an injustice has legal force because it is perpetuated, who aspire to be guided by the dead, who strive to subordinate progress and the future and all their palpitating passion to the realm of ghosts and nursery-tales.
With them are all the parsons, who seek to excite you and to lull you to sleep with the morphine of their Paradise, so that nothing may change. There are the lawyers, the economists, the historians — and how many more? — who befog you with the rigmarole of theory, who declare the inter-antagonism of nationalities at a time when the only unity possessed by each nation of to-day is in the arbitrary map-made lines of her frontiers, while she is inhabited by an artificial amalgam of races; there are the worm-eaten genealogists, who forge for the ambitious of conquest and plunder false certificates of philosophy and imaginary titles of nobility. The infirmity of human intelligence is short sight. In too many cases, the wiseacres are dunces of a sort, who lose sight of the simplicity of things, and stifle and obscure it with formulae and trivialities. It is the small things that one learns from books, not the great ones.
And even while they are saying that they do not wish for war they are doing all they can to perpetuate it. They nourish national vanity and the love of supremacy by force. "We alone," they say, each behind his shelter, "we alone are the guardians of courage and loyalty, of ability and good taste!" Out of the greatness and richness of a country they make something like a consuming disease. Out of patriotism — which can be respected as long as it remains in the domain of sentiment and art on exactly the same footing as the sense of family and local pride, all equally sacred — out of patriotism they make a Utopian and impracticable idea, unbalancing the world, a sort of cancer which drains all the living force, spreads everywhere and crushes life, a contagious cancer which culminates either in the crash of war or in the exhaustion and suffocation of armed peace.
They pervert the most admirable of moral principles. How many are the crimes of which they have made virtues merely by dowering them with the word "national"? They distort even truth itself. For the truth which is eternally the same they substitute each their national truth. So many nations, so many truths; and thus they falsify and twist the truth.
Those are your enemies. All those people whose childish and odiously ridiculous disputes you hear snarling above you — "It wasn't me that began, it was you!" — "No, it wasn't me, it was you!" — "Hit me then!" — "No, you hit me!" — those puerilities that perpetuate the world's huge wound, for the disputants are not the people truly concerned, but quite the contrary, nor do they desire to have done with it; all those people who cannot or will not make peace on earth; all those who for one reason or another cling to the ancient state of things and find or invent excuses for it — they are your enemies!
They are your enemies as much as those German soldiers are to-day who are prostrate here between you in the mud, who are only poor dupes hatefully deceived and brutalized, domestic beasts. They are your enemies, wherever they were born, however they pronounce their names, whatever the language in which they lie. Look at them, in the heaven and on the earth. Look at them, everywhere! Identify them once for all, and be mindful for ever!

Saul Bellow photo

“The principles of Western liberalism seem no longer to lend themselves to effective action. Deprived of the expressive power, we are awed by it, have a hunger for it, and are afraid of it.”

Saul Bellow (1915–2005) Canadian-born American writer

"Literary Notes on Khrushchev" (1961), p. 36
It All Adds Up (1994)
Context: The principles of Western liberalism seem no longer to lend themselves to effective action. Deprived of the expressive power, we are awed by it, have a hunger for it, and are afraid of it. Thus we praise the gray dignity of our soft-spoken leaders, but in our hearts we are suckers for passionate outbursts, even when those passionate outbursts are hypocritical and falsely motivated.

John Locke photo

“Much less are children capable of reasonings from remote principles. They cannot conceive the force of long deductions. The reasons that move them must be obvious, and level to their thoughts, and such as may be felt and touched. But yet, if their age, temper, and inclination be consider'd, they will never want such motives as may be sufficient to convince them.”

Sec. 81
Some Thoughts Concerning Education (1693)
Context: The foundations on which several duties are built, and the foundations of right and wrong from which they spring, are not perhaps easily to be let into the minds of grown men, not us'd to abstract their thoughts from common received opinions. Much less are children capable of reasonings from remote principles. They cannot conceive the force of long deductions. The reasons that move them must be obvious, and level to their thoughts, and such as may be felt and touched. But yet, if their age, temper, and inclination be consider'd, they will never want such motives as may be sufficient to convince them.

Theodore Roosevelt photo

“It can be realized at all only by the application of the spirit of fraternity, the spirit of brotherhood. This spirit demands that each man shall learn and apply the principle that his liberty must be used not only for his own benefit but for the interest of the community as a whole, while the community in its turn, acting as a whole, shall understand that while it must insist on its own rights as against the individual, it must also scrupulously safeguard these same rights of the individual.”

Theodore Roosevelt (1858–1919) American politician, 26th president of the United States

1910s, The Progressives, Past and Present (1910)
Context: Fundamentally, our chief problem may be summed up as the effort to make men as nearly as they can be made, both free and equal; the freedom and equality necessarily resting on a basis of justice and brotherhood. It is not possible, with the imperfections of mankind, ever wholly to achieve such an ideal, if only for the reason that the shortcomings of men are such that complete and unrestricted individual liberty would mean the negation of even approximate equality, while a rigid and absolute equality would imply the destruction of every shred of liberty. Our business is to secure a practical working combination between the two. This combination should aim, on the one hand to secure to each man the largest measure of individual liberty that is compatible with his fellows getting from life a just share of the good things to which they are legitimately entitled; while, on the other hand, it should aim to bring about among well-behaved, hardworking people a measure of equality which shall be substantial, and which shall yet permit to the individual the personal liberty of achievement and reward without which life would not be worth living, without which all progress would stop, and civilization first stagnate and then go backwards. Such a combination cannot be completely realized. It can be realized at all only by the application of the spirit of fraternity, the spirit of brotherhood. This spirit demands that each man shall learn and apply the principle that his liberty must be used not only for his own benefit but for the interest of the community as a whole, while the community in its turn, acting as a whole, shall understand that while it must insist on its own rights as against the individual, it must also scrupulously safeguard these same rights of the individual.

“What I mean by the Principle of Oneness is this:
That we must learn to realize
that there's nothing separate or apart.
That everything is part of everything else.”

Eden ahbez (1908–1995) American songwriter and recording artist

Tape recording to Joe Romersa (1992)
Shadowbox Studio
Context: What I mean by the Principle of Oneness is this:
That we must learn to realize
that there's nothing separate or apart.
That everything is part of everything else.
That there's nothing above us,
or below us, or around us.
All is inherent within us.
Like Jesus said, "The Kingdom is Within."

Abraham Lincoln photo

“A highwayman holds a pistol to my ear, and mutters through his teeth, "Stand and deliver, or I shall kill you, and then you will be a murderer!" To be sure, what the robber demanded of me — my money — was my own; and I had a clear right to keep it; but it was no more my own than my vote is my own; and the threat of death to me, to extort my money, and the threat of destruction to the Union, to extort my vote, can scarcely be distinguished in principle.”

Abraham Lincoln (1809–1865) 16th President of the United States

1860s, Cooper Union speech (1860)
Context: But you will not abide the election of a Republican president! In that supposed event, you say, you will destroy the Union; and then, you say, the great crime of having destroyed it will be upon us! That is cool. A highwayman holds a pistol to my ear, and mutters through his teeth, "Stand and deliver, or I shall kill you, and then you will be a murderer!" To be sure, what the robber demanded of me — my money — was my own; and I had a clear right to keep it; but it was no more my own than my vote is my own; and the threat of death to me, to extort my money, and the threat of destruction to the Union, to extort my vote, can scarcely be distinguished in principle.

Abraham Lincoln photo

“I have often inquired of myself, what great principle or idea it was that kept this Confederacy so long together. It was”

Abraham Lincoln (1809–1865) 16th President of the United States

1860s, Speech in Independence Hall (1861)
Context: I have never had a feeling politically that did not spring from the sentiments embodied in the Declaration of Independence. I have often pondered over the dangers which were incurred by the men who assembled here and adopted that Declaration of Independence; I have pondered over the toils that were endured by the officers and soldiers of the army, who achieved that Independence. I have often inquired of myself, what great principle or idea it was that kept this Confederacy so long together. It was not the mere matter of the separation of the colonies from the mother land; but something in that Declaration giving liberty, not alone to the people of this country, but hope to the world for all future time. It was that which gave promise that in due time the weights should be lifted from the shoulders of all men, and that all should have an equal chance. This is the sentiment embodied in that Declaration of Independence.

Maria Montessori photo

“The teachers of the old school, prepared according to the principles of metaphysical philosophy, understood the ideas of certain men regarded as authorities, and moved the muscles of speech in talking of them, and the muscles of the eye in reading their theories. Our scientific teachers, instead, are familiar with certain instruments and know how to move the muscles of the hand and arm in order to use these instruments; besides this, they have an intellectual preparation which consists of a series of typical tests, which they have, in a barren and mechanical way, learned how to apply.
The difference is not substantial, for profound differences cannot exist in exterior technique alone, but lie rather within the inner man.”

Maria Montessori (1870–1952) Italian pedagogue, philosopher and physician

Source: The Montessori Method (1912), Ch. 1 : A Critical Consideration of the New Pedagogy in its Relation to Modern Science, p. 7.
Context: To prepare teachers in the method of the experimental sciences is not an easy matter. When we shall have instructed them in anthropometry and psychometry in the most minute manner possible, we shall have only created machines, whose usefulness will be most doubtful. Indeed, if it is after this fashion that we are to initiate our teachers into experiment, we shall remain forever in the field of theory. The teachers of the old school, prepared according to the principles of metaphysical philosophy, understood the ideas of certain men regarded as authorities, and moved the muscles of speech in talking of them, and the muscles of the eye in reading their theories. Our scientific teachers, instead, are familiar with certain instruments and know how to move the muscles of the hand and arm in order to use these instruments; besides this, they have an intellectual preparation which consists of a series of typical tests, which they have, in a barren and mechanical way, learned how to apply.
The difference is not substantial, for profound differences cannot exist in exterior technique alone, but lie rather within the inner man. Not with all our initiation into scientific experiment have we prepared new masters, for, after all, we have left them standing without the door of real experimental science; we have not admitted them to the noblest and most profound phase of such study, — to that experience which makes real scientists.

Abraham Lincoln photo

“It is the eternal struggle between these two principles — right and wrong — throughout the world.”

Abraham Lincoln (1809–1865) 16th President of the United States

Seventh and Last Joint Debate with Steven Douglas, at Alton, Illinois (15 October 1858)
1850s, Lincoln–Douglas debates (1858)
Context: Now, I have upon all occasions declared as strongly as Judge Douglas against the disposition to interfere with the existing institution of slavery. You hear me read it from the same speech from which he takes garbled extracts for the purpose of proving upon me a disposition to interfere with the institution of slavery, and establish a perfect social and political equality between negroes and white people. Allow me while upon this subject briefly to present one other extract from a speech of mine, more than a year ago, at Springfield, in discussing this very same question, soon after Judge Douglas took his ground that negroes were not included in the Declaration of Independence: I think the authors of that notable instrument intended to include all men, but they did not mean to declare all men equal in all respects. They did not mean to say all men were equal in color, size, intellect, moral development, or social capacity. They defined with tolerable distinctness in what they did consider all men created equal — equal in "certain inalienable rights, among which are life, liberty, and the pursuit of happiness." This they said, and this they meant. They did not mean to assert the obvious untruth that all were then actually enjoying that equality, or yet that they were about to confer it immediately upon them. In fact, they had no power to confer such a boon. They meant simply to declare the right, so that the enforcement of it might follow as fast as circumstances should permit. They meant to set up a standard maxim for free society which should be familiar to all, constantly looked to, constantly labored for, and even, though never perfectly attained, constantly approximated, and thereby constantly spreading and deepening its influence, and augmenting the happiness and value of life to all people, of all colors, everywhere... That is the real issue. That is the issue that will continue in this country when these poor tongues of Judge Douglas and myself shall be silent. It is the eternal struggle between these two principles — right and wrong — throughout the world. They are the two principles that have stood face to face from the beginning of time; and will ever continue to struggle. The one is the common right of humanity, and the other the divine right of kings. It is the same principle in whatever shape it develops itself. It is the same spirit that says, "You toil and work and earn bread, and I'll eat it." No matter in what shape it comes, whether from the mouth of a king who seeks to bestride the people of his own nation and live by the fruit of their labor, or from one race of men as an apology for enslaving another race, it is the same tyrannical principle.

George Washington photo

“So far as I am acquainted with the principles & Doctrines of Free Masonry, I conceive it to be founded in benevolence and to be exercised only for the good of mankind.”

George Washington (1732–1799) first President of the United States

Draft of a letter to the Grand Lodge of Free Masons of the State of Maryland (8 November 1798) http://memory.loc.gov/mss/mgw/mgw4/113/0400/0495.jpg
1790s
Context: So far as I am acquainted with the principles & Doctrines of Free Masonry, I conceive it to be founded in benevolence and to be exercised only for the good of mankind. If it has been a Cloak to promote improper or nefarious objects, it is a melancholly proof that in unworthy hands, the best institutions may be made use of to promote the worst designs.

Barack Obama photo

“Real leadership creates the conditions and coalitions for others to step up as well; to work with allies and partners so that they bear their share of the burden and pay their share of the costs; and to see that the principles of justice and human dignity are upheld by all.”

Barack Obama (1961) 44th President of the United States of America

2011, Address on interventions in Libya (March 2011)
Context: As Commander-in-Chief, I have no greater responsibility than keeping this country safe. And no decision weighs on me more than when to deploy our men and women in uniform. I’ve made it clear that I will never hesitate to use our military swiftly, decisively, and unilaterally when necessary to defend our people, our homeland, our allies and our core interests. That's why we’re going after al Qaeda wherever they seek a foothold. That is why we continue to fight in Afghanistan, even as we have ended our combat mission in Iraq and removed more than 100,000 troops from that country. 
There will be times, though, when our safety is not directly threatened, but our interests and our values are. Sometimes, the course of history poses challenges that threaten our common humanity and our common security — responding to natural disasters, for example; or preventing genocide and keeping the peace; ensuring regional security, and maintaining the flow of commerce. These may not be America’s problems alone, but they are important to us. They’re problems worth solving. And in these circumstances, we know that the United States, as the world’s most powerful nation, will often be called upon to help.
In such cases, we should not be afraid to act — but the burden of action should not be America’s alone. As we have in Libya, our task is instead to mobilize the international community for collective action. Because contrary to the claims of some, American leadership is not simply a matter of going it alone and bearing all of the burden ourselves. Real leadership creates the conditions and coalitions for others to step up as well; to work with allies and partners so that they bear their share of the burden and pay their share of the costs; and to see that the principles of justice and human dignity are upheld by all.

Thomas Paine photo

“It is never to be expected in a revolution that every man is to change his opinion at the same moment. There never yet was any truth or any principle so irresistibly obvious that all men believed it at once.”

Thomas Paine (1737–1809) English and American political activist

1790s, First Principles of Government (1795)
Context: It is never to be expected in a revolution that every man is to change his opinion at the same moment. There never yet was any truth or any principle so irresistibly obvious that all men believed it at once. Time and reason must cooperate with each other to the final establishment of any principle; and therefore those who may happen to be first convinced have not a right to persecute others, on whom conviction operates more slowly. The moral principle of revolutions is to instruct, not to destroy.

Abraham Lincoln photo

“No matter in what shape it comes, whether from the mouth of a king who seeks to bestride the people of his own nation and live by the fruit of their labor, or from one race of men as an apology for enslaving another race, it is the same tyrannical principle.”

Abraham Lincoln (1809–1865) 16th President of the United States

Seventh and Last Joint Debate with Steven Douglas, at Alton, Illinois (15 October 1858)
1850s, Lincoln–Douglas debates (1858)
Context: Now, I have upon all occasions declared as strongly as Judge Douglas against the disposition to interfere with the existing institution of slavery. You hear me read it from the same speech from which he takes garbled extracts for the purpose of proving upon me a disposition to interfere with the institution of slavery, and establish a perfect social and political equality between negroes and white people. Allow me while upon this subject briefly to present one other extract from a speech of mine, more than a year ago, at Springfield, in discussing this very same question, soon after Judge Douglas took his ground that negroes were not included in the Declaration of Independence: I think the authors of that notable instrument intended to include all men, but they did not mean to declare all men equal in all respects. They did not mean to say all men were equal in color, size, intellect, moral development, or social capacity. They defined with tolerable distinctness in what they did consider all men created equal — equal in "certain inalienable rights, among which are life, liberty, and the pursuit of happiness." This they said, and this they meant. They did not mean to assert the obvious untruth that all were then actually enjoying that equality, or yet that they were about to confer it immediately upon them. In fact, they had no power to confer such a boon. They meant simply to declare the right, so that the enforcement of it might follow as fast as circumstances should permit. They meant to set up a standard maxim for free society which should be familiar to all, constantly looked to, constantly labored for, and even, though never perfectly attained, constantly approximated, and thereby constantly spreading and deepening its influence, and augmenting the happiness and value of life to all people, of all colors, everywhere... That is the real issue. That is the issue that will continue in this country when these poor tongues of Judge Douglas and myself shall be silent. It is the eternal struggle between these two principles — right and wrong — throughout the world. They are the two principles that have stood face to face from the beginning of time; and will ever continue to struggle. The one is the common right of humanity, and the other the divine right of kings. It is the same principle in whatever shape it develops itself. It is the same spirit that says, "You toil and work and earn bread, and I'll eat it." No matter in what shape it comes, whether from the mouth of a king who seeks to bestride the people of his own nation and live by the fruit of their labor, or from one race of men as an apology for enslaving another race, it is the same tyrannical principle.

Steven Weinberg photo

“The principles of quantum mechanics are so contrary to ordinary intuition that they can best be motivated by taking a look at their prehistory.”

Steven Weinberg (1933) American theoretical physicist

Source: Lectures on Quantum Mechanics (2012, 2nd ed. 2015), Ch. 1: Historical Introduction

Helena Roerich photo

“To all these insanities will be added the most shameful—the intensified competition between male and female. We insist upon equal and full rights for women, but the servants of darkness will expel them from many fields of activity, even where they bring the most benefit. We have spoken about the many maladies in the world, but the renewed struggle between the male and female principles will be the most tragic. It is hard to imagine how disastrous this will be, for it is a struggle against evolution itself! What a high price humanity pays for every such opposition to evolution! In these convulsions the young generations are corrupted. Plato spoke about beautiful thinking, but what kind of beauty is possible when there is hostility between man and woman? Now is the time to think about equal and full rights, but darkness invades the tensed realms. However, all the dark attacks will serve a certain good purpose, for those who have been humiliated in Kali Yuga will be glorified in Satya Yuga. ...Let us remember that these years of Armageddon are the most intense, and one’s health should be especially guarded because the cosmic currents will increase many diseases. You must understand that this time is unique... It is near-sighted to think that if war is prevented all problems will be solved! There are those who think so and imagine that they can cheat evolution, not realizing that the worst war is in their own homes. However, there do exist places on Earth where evolution develops normally, and We are always there.”

Helena Roerich (1879–1955) Russian philosopher

286
Armageddon

Thomas Paine photo
Maximilien Robespierre photo
Maximilien Robespierre photo
A.C. Bhaktivedanta Swami Prabhupada photo
A.C. Bhaktivedanta Swami Prabhupada photo
Thomas Paine photo
Leon Trotsky photo
Barack Obama photo
Barack Obama photo

“Our celebration of initiative and enterprise, our insistence on hard work and personal responsibility, these are constants in our character. But we have always understood that when times change, so must we; that fidelity to our founding principles requires new responses to new challenges; that preserving our individual freedoms ultimately requires collective action.”

Barack Obama (1961) 44th President of the United States of America

For the American people can no more meet the demands of today’s world by acting alone than American soldiers could have met the forces of fascism or communism with muskets and militias. No single person can train all the math and science teachers we’ll need to equip our children for the future, or build the roads and networks and research labs that will bring new jobs and businesses to our shores. Now, more than ever, we must do these things together, as one nation and one people.
2013, Second Inaugural Address (January 2013)

Theodore Roosevelt photo
Menachem Begin photo

“Don’t threaten us with cutting off your aid. It will not work. I am not a Jew with trembling knees. I am a proud Jew with 3,700 years of civilized history. Nobody came to our aid when we were dying in the gas chambers and ovens. Nobody came to our aid when we were striving to create our country. We paid for it. We fought for it. We died for it. We will stand by our principles. We will defend them. And, when necessary, we will die for them again, with or without your aid.”

Menachem Begin (1913–1992) Israeli politician and Prime Minister

The much less verbose true quote, from Begin's "acerbic" visit to the US Congress in 1982 (during the Lebanon War), as found in Time Magazine's contemporary report http://content.time.com/time/subscriber/article/0,33009,925497-6,00.html (George J. Church, July 05, 1982):
"Don't threaten us with cutting off aid to give up our principles!"
"Sir, do not threaten us with cutting aid. First of all, you should know that this is not a one-way street. You help us, and we are very grateful for your help; but this is a two-way street: We do a lot for you. And also in recent battles we did a lot for the United States; and I gave some examples, but this is not the place to go into them. Therefore, do not threaten us with cuts in aid, but take note: That if at any time you demand of us to yield on a principle in which we believe, while threatening to cut aid, we will not abandon the principle in which we believe - and propose cutting aid. The argument went approximately thus."
On the other hand, contemporary reports give the true quote as also being far less verbose.
Source: attributed as alleged reply to Senator Joe Biden in Ronn Torossian's op-ed "Menachem Begin To Joe Biden: I Am Not A Jew With Trembling Knees" https://www.jewishpress.com/indepth/opinions/menachem-begin-to-joe-biden-i-am-not-a-jew-with-trembling-knees/2015/04/03, in 2015 without source. Possibly of earlier origin.
Source: As found in Time Magazine's contemporary report http://content.time.com/time/subscriber/article/0,33009,925497-6,00.html

Jawaharlal Nehru photo

“As we were very much pressed for time we were unable to see as much of the jail as we wanted to. We had an impression that we had been shown the brighter side of jail life. Nonetheless, two facts stood out. One was that we had actually seen desirable and radical improvements over the old system prevailing even now in most countries and the second and even more important fact was the mentality of the prison officials, and presumably the higher officials of the government also, in regard to jails. Actual conditions may or may not be good but the general principles laid down for jails are certainly far in advance of anything we had known elsewhere in practice. Anyone with a knowledge of prisons in India and of the barbarous way in which handcuffs, fetters and other punishments are used will appreciate the difference. The governor of the prison in Moscow who took us round was all the time laying stress on the human side of jail life, and how it was their endeavour to keep this in the front and not to make the prisoner feel in any way dehumanised or outcasted. I wish we in India would remember this wholesome principle and practise it in our daily lives even outside jail…. It can be said without a shadow of doubt that to be in a Russian prison is far more preferable than to be a worker in an Indian factory, whose lot is 10 to 11 hours work a day and then to live in a crowded and dark and airless tenement, hardly fit for an animal. The mere fact that there are some prisons like the ones we saw is in itself something for the Soviet Government to be proud of.”

Jawaharlal Nehru (1889–1964) Indian lawyer, statesman, and writer, first Prime Minister of India

Soviet Russia: Some Random Sketches and Impressions (1949)

Jawaharlal Nehru photo
Nikola Tesla photo
Nikola Tesla photo
Ronald Fisher photo

“He has made contributions to many areas of science; among them are agronomy, anthropology, astronomy, bacteriology, botany, economics, forestry, meteorology, psychology, public health, and-above all-genetics, in which he is recognized as one of the leaders. Out of this varied scientific research and his skill in mathematics, he has evolved systematic principles for the interpretation of empirical data; and he has founded a science of experimental design. On the foundations he has laid down, there has been erected a structure of statistical techniques that are used whenever people attempt to learn about nature from experiment and observation.”

Ronald Fisher (1890–1962) English statistician, evolutionary biologist, geneticist, and eugenicist

W. Allen Wallis (1952) at the University of Chicago while honoring Fisher with the Honorary degree of Doctor of Science; cited in: George E. P. Box (1976) " Science and Statistics http://www-sop.inria.fr/members/Ian.Jermyn/philosophy/writings/Boxonmaths.pdf" Journal of the American Statistical Association, Vol. 71, No. 356. (Dec., 1976), pp. 791-799.

Mswati III photo

“We call on the United Nations once again to uphold the principle of universality and its multilateral efforts toward total inclusion and to allow Taiwan to participate in relevant extensions on a dignified and equal footing.”

Mswati III (1968) King of Swaziland

Mswati III (2019) cited in: " Allies voice support for Taiwan's inclusion in U.N. activities http://focustaiwan.tw/news/aipl/201909260004.aspx" in Focus Taiwan, 26 September 2019.
Statement made during the General Debate of the 74th general assembly of the United Nations, 25 September 2019.

Michael Gove photo
Adam Weishaupt photo
Paul Valéry photo

“It is therefore reasonable to think that the creations of man are made either with a view to his body, and that is the principle we call utility, or with a view to his soul, and that is what he seeks under the name of beauty.”

Paul Valéry (1871–1945) French poet, essayist, and philosopher

But, further, since he who constructs or creates has to deal with the rest of the world and with the movement of nature, which both tend perpetually to dissolve, corrupt or upset what he makes, he must recognize and seek to communicate to his works a third principle, that expresses the resistance he wishes them to offer to their destiny, which is to perish. So he seeks solidity or lastingness.
Socrates, pp. 128–9
Eupalinos ou l'architecte (1921)

Jeremy Bentham photo
C.G. Jung photo
Choudhry Rahmat Ali photo
Edward Carson, Baron Carson photo
Helena Roerich photo
Thomas Paine photo
Karl Marx photo
Marquis de Sade photo
Abraham Lincoln photo
Abraham Lincoln photo

“Important principles may, and must, be inflexible.”

Abraham Lincoln (1809–1865) 16th President of the United States
Abraham Lincoln photo
Plato photo
Aristotle photo

“If a man knows what it is right to do, he does not require a formal reason. And a person that has been thus trained, either possesses these first principles already, or can easily acquire them.”

Aristotle (-384–-321 BC) Classical Greek philosopher, student of Plato and founder of Western philosophy

Bk I, Ch II
The Ethics Of Aristotle (Vol. I)

Theodore Roosevelt photo

“The most vicious cowboy has more moral principle than the average Indian.”

Theodore Roosevelt (1858–1919) American politician, 26th president of the United States

January 1886, in a campaign speech given in New York https://www.history.com/news/teddy-roosevelt-race-imperialism-national-parks
1880s

Stephen R. Covey photo
Thomas Jefferson photo

“I sincerely believe, with you, that banking establishments are more dangerous than standing armies; and that the principle of spending money to be paid by posterity, under the name of funding, is but swindling futurity on a large scale.”

Thomas Jefferson (1743–1826) 3rd President of the United States of America

Letter to John Taylor (28 May 1816) ME 15:23 http://www.britannica.com/presidents/article-9116907
1810s
Context: We may say with truth and meaning that governments are more or less republican, as they have more or less of the element of popular election and control in their composition; and believing, as I do, that the mass of the citizens is the safest depository of their own rights, and especially, that the evils flowing from the duperies of the people are less injurious than those from the egoism of their agents, I am a friend to that composition of government which has in it the most of this ingredient. And I sincerely believe, with you, that banking establishments are more dangerous than standing armies; and that the principle of spending money to be paid by posterity, under the name of funding, is but swindling futurity on a large scale.

Ayn Rand photo

“There can be no compromise on moral principles.”

Ayn Rand (1905–1982) Russian-American novelist and philosopher

Source: The Virtue of Selfishness: A New Concept of Egoism

Michel Houellebecq photo
Scott Adams photo
Stephen R. Covey photo

“There are three constants in life… Change, Choice and Principles.”

Stephen R. Covey (1932–2012) American educator, author, businessman and motivational speaker

“He had preserved the best part of her and made it his own: the principle of her scent.”

Patrick Süskind (1949) German writer and screenwriter

Source: Perfume: The Story of a Murderer

Steven Pressfield photo

“The Principle of Priority states (a) you must know the difference between what is urgent and what is important, and (b) you must do what’s important first.”

Steven Pressfield (1943) United States Marine

Source: The War of Art: Break Through the Blocks & Win Your Inner Creative Battles

James C. Collins photo

“A culture of discipline is not a principle of business, it is a principle of greatness.”

James C. Collins (1958) American business consultant and writer

Source: Good To Great And The Social Sectors, 2005, p. 1

Sören Kierkegaard photo
Dorothy Thompson photo
Louisa May Alcott photo

“Relationship Principle 9
Every guy knows he can find a girl who is simply satisfied with satisfying him. They are much more turned on by a woman who cares about her own pleasure as well.”

Sherry Argov (1977) American writer

Variant: Every guy knows he can find a girl who is simply satisfied with satisfying him. They are much more turnd on by a woman who cares about her own pleasures as well.
Source: Why Men Marry Bitches: A Woman's Guide to Winning Her Man's Heart

Ellen DeGeneres photo

“True beauty is about who you are as a human being, your principles, your moral compass.”

Ellen DeGeneres (1958) American stand-up comedian, television host, and actress

Source: Seriously... I'm Kidding

Thomas Keneally photo
Jennifer Donnelly photo
Dietrich Bonhoeffer photo

“Cheap grace means grace as a doctrine, a principle, a system.”

Dietrich Bonhoeffer (1906–1945) German Lutheran pastor, theologian, dissident anti-Nazi

Costly Grace, p 43.
Costly Grace
Context: Cheap grace means grace as a doctrine, a principle, a system. It means forgiveness of sins proclaimed as a general truth, the love of God taught as the Christian "conception" of God. An intellectual assent to that idea is held to be of itself sufficient to secure remission of sins. The church which holds the correct doctrine of grace has, it is supposed, ipso facto a part of that grace. In such a Church the world finds a cheap covering for its sins; no contrition is required, still less any real desire to be delivered from sin. Cheap grace therefore amounts to a denial of the living Word of God, in fact, a denial of the Incarnation of the Word of God.
Cheap grace means the justification of sin without the justification of the sinner. Grace alone does everything, they say, and so everything can remain as it was before.

David Nicholls photo

“Cherish your friends, stay true to your principles, live passionately and fully and well. Experience new things. Love and be loved, if you ever get the chance.”

Variant: Cherish your friends, stay true to your principles, live passionately and fully and well. Experience new things. Love and be loved, if you ever get the chance
Source: One Day

Clayton M. Christensen photo

“It’s easier to hold to your principles 100% of the time than it is to hold to them 98% of the time.”

Clayton M. Christensen (1952–2020) Mormon academic

Intro (2012 edition)
1990s, The Innovator's Dilemma (1997)
Source: How Will You Measure Your Life?

Ian Fleming photo

“Surround yourself with human beings, my dear James. They are easier to fight for than principles.”

Source: Casino Royale (1953), Ch. 20 : The Nature Of Evil
Context: "Surround yourself with human beings, my dear James. They are easier to fight for than principles."
He laughed. "But don't let me down and become human yourself. We would lose a wonderful machine."

Confucius photo

“Hold faithfulness and sincerity as first principles.”

Confucius (-551–-479 BC) Chinese teacher, editor, politician, and philosopher

Variant: Faithfulness and sincerity are the highest things.
Source: The Analects

Maya Angelou photo
Stephen R. Covey photo
Solomon Northup photo
Christopher Hitchens photo

“The essential principle of totalitarianism is to make laws that are impossible to obey.”

Christopher Hitchens (1949–2011) British American author and journalist

Source: god is Not Great: How Religion Poisons Everything

George Bernard Shaw photo

“Assassination is the extreme form of censorship; and it seems hard to justify an incitement to it on anti-censorial principles.”

George Bernard Shaw (1856–1950) Irish playwright

The Shewing Up of Blanco Posnet (1909): The Rejected Statement, Pt. I : The Limits to Toleration
1900s

Ernest Hemingway photo