Quotes about physics
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Greg Egan photo

“An active mind didn't need distractions in its physical environment. It needed a collection of outstanding books and a good lamp. Maybe some cheese and crackers.”

Variant: See, this was his kind of decorating. An active mind don't need distractions in its physical environment. It needed a collection of outstanding books and a good lamp. Maybe some cheese and crackers
Source: Lover Unbound

Chuck Palahniuk photo

“Just for the record, the weather today is increasing turmoil with a possible physical and emotional breakdown.”

Variant: Just for the record, the weather today is bitter with occasional fits of jealous rage.
Source: Diary

Laurell K. Hamilton photo

“To photograph is to hold one's breath, when all faculties converge to capture fleeting reality. It's at that precise moment that mastering an image becomes a great physical and intellectual joy.”

Henri Cartier-Bresson (1908–2004) French photographer

Source: Henri Cartier-Bresson: The Mind's Eye: Writings on Photography and Photographers

Robert M. Pirsig photo
F. Scott Fitzgerald photo
Robert Greene photo
Alan Lightman photo
Martin Luther King, Jr. photo
Susan Sontag photo

“What, I ask, drives me to disorder? How can I diagnose myself? All I feel, most immediately, is the most anguished need for physical love and mental companionship”

Susan Sontag (1933–2004) American writer and filmmaker, professor, and activist

Source: Reborn: Journals and Notebooks, 1947-1963

David Levithan photo
Richelle Mead photo
Milan Kundera photo

“Physical love is unthinkable without violence.”

pg 111
Source: The Unbearable Lightness of Being (1984), Part Three: Words Misunderstood

Laurell K. Hamilton photo
Sherrilyn Kenyon photo
Augusten Burroughs photo
Charlaine Harris photo

“Better to be screwed physically than financially.”

Source: Club Dead

Jim Morrison photo
Robert A. Heinlein photo
Pat Conroy photo
Ayn Rand photo
H.L. Mencken photo
Neal Stephenson photo
Sylvia Day photo
Wayne W. Dyer photo
Sue Monk Kidd photo
Alain de Botton photo
Henry David Thoreau photo
Jim Butcher photo
Jodi Picoult photo
Haruki Murakami photo
Napoleon Hill photo
Toni Morrison photo
Aldous Huxley photo
Nicholas Sparks photo
Sylvia Plath photo
Isabel Allende photo
Mark Z. Danielewski photo
Bill Bryson photo
Martin Luther King, Jr. photo

“We must meet hate with love. We must meet physical force with soul force.”

Martin Luther King, Jr. (1929–1968) American clergyman, activist, and leader in the American Civil Rights Movement

1950s, Give Us the Ballot (1957)
Context: We must meet hate with love. We must meet physical force with soul force. There is still a voice crying out through the vista of time, saying: "Love your enemies, bless them that curse you, pray for them that despitefully use you." Then, and only then, can you matriculate into the university of eternal life. That same voice cries out in terms lifted to cosmic proportions: "He who lives by the sword will perish by the sword." And history is replete with the bleached bones of nations that failed to follow this command. We must follow nonviolence and love.

Christopher Hitchens photo
Jorge Luis Borges photo

“How can thoughts hurt so much when they aren't even physical?”

Beatrice Sparks (1917–2012) American writer

Source: Treacherous Love: The Diary of an Anonymous Teenager

Howard Gardner photo
Robert A. Heinlein photo
Edmund Burke photo

“Society is indeed a contract. Subordinate contracts for objects of mere occasional interest may be dissolved at pleasure — but the state ought not to be considered as nothing better than a partnership agreement in a trade of pepper and coffee, calico or tobacco, or some other such low concern, to be taken up for a little temporary interest, and to be dissolved by the fancy of the parties. It is to be looked on with other reverence; because it is not a partnership in things subservient only to the gross animal existence of a temporary and perishable nature. It is a partnership in all science; a partnership in all art; a partnership in every virtue, and in all perfection. As the ends of such a partnership cannot be obtained in many generations, it becomes a partnership not only between those who are living, but between those who are to be born. Each contract of each particular state is but a clause in the great primaeval contract of eternal society, linking the lower with the higher natures, connecting the visible and the invisible world, according to a fixed compact sanctioned by the inviolable oath which holds all physical and all moral natures, each in their appointed place. This law is not subject to the will of those, who by an obligation above them, and infinitely superior, are bound to submit their will to that law. The municipal corporations of that universal kingdom are not morally at liberty at their pleasure, and on their speculations of a contingent improvement, wholly to separate and tear asunder the bands of their subordinate community, and to dissolve it into an unsocial, uncivil, unconnected chaos of elementary principles. It is the first and supreme necessity only, a necessity that is not chosen, but chooses, a necessity paramount to deliberation, that admits no discussion, and demands no evidence, which alone can justify a resort to anarchy. This necessity is no exception to the rule; because this necessity itself is a part too of that moral and physical disposition of things, to which man must be obedient by consent or force: but if that which is only submission to necessity should be made the object of choice, the law is broken, nature is disobeyed, and the rebellious are outlawed, cast forth, and exiled, from this world of reason, and order, and peace, and virtue, and fruitful penitence, into the antagonist world of madness, discord, vice, confusion, and unavailing sorrow.”

Reflections on the Revolution in France (1790)

Robert Bork photo
B.K.S. Iyengar photo

“I know that I disagree with many other UML experts, but there is no magic about UML. If you can generate code from a model, then it is programming language. And UML is not a well-designed programming language.
The most important reason is that it lacks a well-defined point of view, partly by intent and partly because of the tyranny of the OMG standardization process that tries to provide everything to everybody. It doesn't have a well-defined underlying set of assumptions about memory, storage, concurrency, or almost anything else. How can you program in such a language?
The fact is that UML and other modelling language are not meant to be executable. The point of models is that they are imprecise and ambiguous. This drove many theoreticians crazy so they tried to make UML "precise", but models are imprecise for a reason: we leave out things that have a small effect so we can concentrate on the things that have big or global effects. That's how it works in physics models: you model the big effect (such as the gravitation from the sun) and then you treat the smaller effects as perturbation to the basic model (such as the effects of the planets on each other). If you tried to solve the entire set of equations directly in full detail, you couldn't do anything.”

James Rumbaugh (1947) Computer scientist, software engineer

James Rumbaugh in Federico Biancuzzi and Shane Warden eds. (2009) Masterminds of Programming. p. 339; cited in " Quote by James Rumbaugh http://www.ptidej.net/course/cse3009/winter13/resources/james" on ptidej.net. Last updated 2013-04-09 by guehene; Rumbaugh is responding to the question: "What do you think of using UML to generate implementation code?"

David Brin photo
Ada Lovelace photo
Fryderyk Skarbek photo
Linus Torvalds photo
Max Beckmann photo
Vilfredo Pareto photo
Jane Roberts photo
Nayef Al-Rodhan photo

“Neuro-rational Physicalism is premised on the neuro-biological foundation of human nature, which implies that thoughts, perceptions or emotions correspond to a physical reaction in the brain.”

Nayef Al-Rodhan (1959) philosopher, neuroscientist, geostrategist, and author

Knowledge and Global Order https://www.bbvaopenmind.com/en/article/knowledge-and-global-order/?fullscreen=true - OpenMind September 2013

Pierre Duhem photo

“The first question we should face is: What is the aim of a physical theory? To this question diverse answers have been made, but all of them may be reduced to two main principles:
"A physical theory," certain logicians have replied, "has for its object the explanation of a group of laws experimentally established."
"A physical theory," other thinkers have said, "is an abstract system whose aim is to summarize and classify logically a group of experimental laws without claiming to explain these laws…
Now these two questions — Does there exist a material reality distinct from sensible appearances? and What is the nature of reality? — do not have their source in experimental method, which is acquainted only with sensible appearances and can discover nothing beyond them. The resolution of these questions transcends the methods used by physics; it is the object of metaphysics.
Therefore, if the aim of physical theories is to explain experimental laws, theoretical physics is not an autonomous science; it is subordinate to metaphysics…
Now, to make physical theories depend on metaphysics is surely not the way to let them enjoy the privilege of universal consent.”

Pierre Duhem (1861–1916) French physicist, historian of science

Notice sur les Titres et Travaux scientifiques de Pierre Duhem rédigée par lui-même lors de sa candidature à l'Académie des sciences (mai 1913), The Aim and Structure of Physical Theory (1906)

B.K.S. Iyengar photo

“Health is a state of complete harmony of the body, mind and spirit. When one is free from physical disabilities and mental distractions, the gates of the soul open.”

B.K.S. Iyengar (1918–2014) Indian yoga teacher and scholar

Source: Light on Life: The Yoga Journey to Wholeness, Inner Peace, and Ultimate Freedom, p. 48

Bernard Le Bovier de Fontenelle photo

“The calculus is to mathematics no more than what experiment is to physics, and all the truths produced solely by the calculus can be treated as truths of experiment. The sciences must proceed to first causes, above all mathematics where one cannot assume, as in physics, principles that are unknown to us. For there is in mathematics, so to speak, only what we have placed there… If, however, mathematics always has some essential obscurity that one cannot dissipate, it will lie, uniquely, I think, in the direction of the infinite; it is in that direction that mathematics touches on physics, on the innermost nature of bodies about which we know little.”

Bernard Le Bovier de Fontenelle (1657–1757) French writer, satirist and philosopher of enlightenment

Elements de la géométrie de l'infini (1727) as quoted by Amir R. Alexander, Geometrical Landscapes: The Voyages of Discovery and the Transformation of Mathematical Practice (2002) citing Michael S. Mahoney, "Infinitesimals and Transcendent Relations: The Mathematics of Motion in the Late Seventeenth Century" in Reappraisals of the Scientific Revolution, ed. David C. Lindberg, Robert S. Westman (1990)

David Mermin photo

“An extrapolation of its present rate of growth reveals that in the not too distant future Physical Review will fill bookshelves at a speed exceeding that of light. This is not forbidden by general relativity since no information is being conveyed.”

David Mermin (1935) American physicist

quoting a joke he heard from Rudolf Peierls. [N. David Mermin, Boojums all the way through: communicating science in a prosaic age, Cambridge University Press, 1990, 0-521-38880-5, 57]

Arthur Stanley Eddington photo
Jane Roberts photo
Robert Pinsky photo

“That physical tingle, that powerful audible experience(not with poets projecting their work to an audience) but more intimate, less planned than that.”

Robert Pinsky (1940) American poet, editor, literary critic, academic.

The Art of Poetry - interview 1995 with Downing & Kunitz

Frances Power Cobbe photo

“I could not bear it did I not believe in another life for the poor harmless victims where their wrongs will be recompensed, & I may add also in another life for their inhuman persecutors where they will all repent in moral agony worse than the physical pain of their poor victims.”

Frances Power Cobbe (1822–1904) Irish writer, social reformer, anti-vivisection activist and leading suffragette

On vivisection. Quoted in Sally Mitchell, Frances Power Cobbe: Victorian Feminist, Journalist, Reformer (Charlottesville and London: University of Virginia Press, 2004), p. 348 https://books.google.it/books?id=eAaC5cVOuuoC&pg=PA348.

“The signs on Bell’s door read “J. Bell” and “M. Bell.” I knocked and was invited in by Bell. He looked about the same as he had the last time I saw him, a couple of years ago. He has long, neatly combed red hair and a pointed beard, which give him a somewhat Shavian figura. On one wall of the office is a photograph of Bell with something that looks like a halo behind his head, and his expression in the photograph is mischievous. Theoretical physicists’ offices run the gamut from chaotic clutter to obsessive neatness; the Bells’ is somewhere in between. Bell invited me to sit down after warning me that the “visitor’s chair” tilted backward at unexpected angles. When I had mastered it, and had a chance to look around, the first thing that struck me was the absence of Mary. “Mary,” said Bell, with a note of some disbelief in his voice, “has retired.” This, it turned out, had occurred not long before my visit. “She will not look at any mathematics now. I hope she comes back,” he went on almost plaintively; “I need her. We are doing several problems together.” In recent years, the Bells have been studying new quantum mechanical effects that will become relevant for the generation of particle accelerators that will perhaps succeed the LEP. Bell began his career as a professional physicist by designing accelerators, and Mary has spent her entire career in accelerator design. A couple of years ago Bell, like the rest of the members of CERN theory division, was asked to list his physics speciality. Among the more “conventional” entries in the division such as “super strings,” “weak interactions,” “cosmology,” and the like, Bell’s read “quantum engineering.””

Jeremy Bernstein (1929) American physicist

Quantum Profiles (1991), John Stewart Bell: Quantum Engineer

Heather Mills photo
Ursula K. Le Guin photo

“Unless physical action reflects psychic action, unless the deeds express the person, I get very bored with adventure stories; often it seems that the more action there is, the less happens.”

Ursula K. Le Guin (1929–2018) American writer

Introduction to the story “Vaster Than Empires and More Slow” p. 166
Short fiction, The Wind’s Twelve Quarters (1975)

Victor Villaseñor photo
George Herbert Mead photo
Gideon Mantell photo
André Maurois photo
Jan Smuts photo

“The free creativeness of mind is possible because, […] the world ultimately exists, not of material stuff, but of patterns, of organization, the evolution of which involves no absolute creation of an alien world of material from nothing. The purely structural character of reality thus helps to render possible and intelligible the free creativeness of life and mind, … The energy which is being dissipated by the decay of physical structure is being partly taken up and organized into life structures … Life and mind thus appear as products of the cosmic decline, … Our origin is thus accidental, our position is exceptional and our fate is sealed, with the inevitable running down of the solar system. Life and mind, […] are thus reduced to a very casual and inferior status in the cosmic order […] – a transient and embarrassed phantom in an alien, if not hostile universe. […] The human spirit is not a pathetic, wandering phantom of the universe, […] but meets with spiritual hospitality and response everywhere. Our deepest thoughts and emotions are but responses to stimuli which come to us not from an alien, but from an essentially friendly and kindred universe.”

Jan Smuts (1870–1950) military leader, politician and statesman from South Africa

Smuts expounding a confrontation of opposites in his presidential address to the British Association in September 1931, as cited by W. K. Hancock in SMUTS 2: The Fields of Force 1919-1950, p. 232-234

B.K.S. Iyengar photo

“Non-physical reality is called Parusa in Sanskrit or Universal Soul is an abiding reality. It is logical, but remains conceptual to our minds under we experience it’s realization within ourselves.”

B.K.S. Iyengar (1918–2014) Indian yoga teacher and scholar

Source: Light on Life: The Yoga Journey to Wholeness, Inner Peace, and Ultimate Freedom, p. 9

Flower A. Newhouse photo
Henry Temple, 3rd Viscount Palmerston photo
Colin Wilson photo
William Golding photo
Robert Chambers (publisher, born 1802) photo
African Spir photo

“The precept to worship God 'in spirit and in truth' recommand to worship him as an inward and moral force, without physical attributes and with no relation to fears and egoist wishes.”

African Spir (1837–1890) Russian philosopher

Source: Words of a Sage : Selected thoughts of African Spir (1937), p. 40 The quotation is from the Gospel of John, VII, 24.

Jacques Maritain photo
Konstantin Tsiolkovsky photo