Isaac Newton idézet (187 idézet, oldal 5)

Isaac Newton: 187 idézetek 24 Kedvelés

Isaac Newton híres idézetei

„Én távolabbra láthattam, de csak azért, mert óriások vállán álltam.”

Isaac Newton

Levél Robert Hooke-nak (1675. február 5. )

„Amit ismerünk, az egy csepp, amit nem ismerünk, az egy óceán.”

Isaac Newton

„Platón a barátom — Arisztotelész a barátom — de a legnagyobb barátom az igazság.”
Amicus Plato — amicus Aristoteles — magis amica veritas

Isaac Newton

Latin jegyzetek, melyeket magának írt: Quaestiones Quaedam Philosophicae (Bizonyos filozófiai kérdések) címmel (1664)
Eredeti: Amicus Plato — amicus Aristoteles — magis amica veritas

„Az igazság mindig az egyszerűségben rejlik, sohasem a bonyolult vagy összekavart dolgokban.”

Isaac Newton

Neki tulajdonított idézetek

„A természet semmit sem tesz hiába, s mindaz, ami sok ok révén történik, bár kevesebbel is megvalósítható lett volna, fölösleges. A természet ugyanis egyszerű, s nem használja a dolgok felesleges okait.”

Isaac Newton

Neki tulajdonított idézetek

„A fizika minden nehézsége, úgy látszik, abban áll, hogy mozgásjelenségekből a természet erőit kikutassuk, s azután ezeknek az erőknek a segítségével a többi jelenséget megmagyarázzuk.”

Isaac Newton

Neki tulajdonított idézetek

Isaac Newton idézetek

„Minden akciónak van egy azzal egyenlő nagyságú, de ellentétes irányú reakciója.”

Isaac Newton könyv Philosophiae Naturalis Principia Mathematica

Principia Mathematica (1687) A mozgás III. törvénye

„A természeti jelenségek magyarázatához nem szabad több okot felvenni, mint amennyi igaz, s amennyi a szóban lévő jelenség magyarázatához szükséges.”

Isaac Newton

Neki tulajdonított idézetek

„Egy pontszerű test gyorsulása egyenesen arányos a testre ható (a gyorsulással azonos irányú) erővel, és fordítva arányos a test tömegével.”

Isaac Newton könyv Philosophiae Naturalis Principia Mathematica

Principia Mathematica (1687) A mozgás II. törvénye

„Minden test nyugalomban marad, vagy megtartja egyenes vonalú egyenletes sebességű mozgását mindaddig, míg egy másik test ennek megváltoztatására nem kényszeríti.”

Isaac Newton könyv Philosophiae Naturalis Principia Mathematica

Principia Mathematica (1687) A mozgás I. törvénye

„Én nem alkotok hipotéziseket.”
Hypotheses non fingo.

Isaac Newton Hypotheses non fingo

Principia Mathematica (1687)
A gravitációs elmélet egy fundamentális empirikus törvény, de Newton nem alkotott hipotézist a gravitáció működését illetően.
Eredeti: Hypotheses non fingo.

„…olyan vagyok, mint a tengerparton játszó gyermek, aki játék közben imitt-amott egy, a szokottnál laposabb kavicsot vagy szebb kagylót talál, míg az igazság nagy óceánja egészében felfedezetlenül terül el tekintetem előtt.”

Isaac Newton

Neki tulajdonított idézetek

játék , Gyermekkor , Igazság

„Nem tudom, a világ mit gondol rólam, de a saját szememben csak egy gyermek vagyok, aki a tengerparton játszik, és néha leköti a figyelmét egy, az átlagosnál simább kavics vagy díszesebb kagyló, miközben előtte felfedezetlenül hullámzik az igazság óceánja. (David Brewster, 1860: Memoires of the Life, Writings and Discoveries of Sir Isaac Newton. Vol.2. Edinburgh, Edmonston.”

Isaac Newton

Világ , Igazság , Gyermekkor

„… azonos hatásokat ugyanazon okoknak kell tulajdonítani.”

Isaac Newton

Neki tulajdonított idézetek

„Isten mindent szám, súly és mérték alapján teremtett.”
Numero pondere et mensura Deus omnia condidit.

Isaac Newton

Neki tulajdonított idézetek

Isten

„Az emberek túl sok falat és kevés hidat építenek.”

Isaac Newton

Emberek , Hiba , Hit

Isaac Newton: Idézetek angolul

“As Attraction is stronger in small Magnets than in great ones in proportion to their Bulk, and Gravity is greater in the Surfaces of small Planets than in those of great ones in proportion to their bulk, and small Bodies are agitated much more by electric attraction than great ones; so the smallness of the Rays of Light may contribute very much to the power of the Agent by which they are refracted.”

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Isaac Newton könyv Opticks, or a Treatise of the Reflections, Refractions, Inflections and Colours of Light

Query 21
Opticks (1704)

“I keep the subject constantly before me, and wait 'till the first dawnings open slowly, by little and little, into a full and clear light.”

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Isaac Newton

Reply upon being asked how he made his discoveries, as quoted in " Biographia Britannica: Or the Lives of the Most Eminent Persons who Have Flourished in Great Britain from the Earliest Ages Down to the Present Times, Volume 5 http://books.google.es/books?id=rYhDAAAAcAAJ&pg=PA3241&dq=I+keep+the+subject+constantly+before+me+and+wait+till+the+first+dawnings+open+little+by+little+into+the+full+light.&hl=es&sa=X&ei=ZBsMUpiLDpPU8wTEkYGAAQ&ved=0CEMQ6AEwAg#v=onepage&q=I%20keep%20the%20subject%20constantly%20before%20me%20and%20wait%20till%20the%20first%20dawnings%20open%20little%20by%20little%20into%20the%20full%20light.&f=false", by W. Innys, (1760), p. 3241.

“Upon Christmas-day, the people of Rome, who had hitherto elected their Bishop, and reckoned that they and their Senate inherited the rights of the ancient Senate and people of Rome, voted Charles their Emperor, and subjected themselves to him in such manner as the old Roman Empire and their Senate were subjected to the old Roman Emperors. The Pope [Leo III] crowned him, and anointed him with holy oil, and worshiped him on his knees after the manner of adoring the old Roman Emperors… The Emperor, on the other hand, took the following oath to the Pope: In nomine Christi spondeo atque polliceor, Ego Carolus Imperator coram Deo & beato Petro Apostolo, me protectorem ac defensorem fore hujus sanctæ Romanæ Ecclesiæ in omnibus utilitatibus, quatenùs divino fultus fuero adjutorio, prout sciero poteroque. The Emperor was also made Consul of Rome, and his son Pipin crowned King of Italy: and henceforward the Emperor styled himself: Carolus serenissimus, Augustus, à Deo coronatus, magnus, pacificus, Romæ gubernans imperium [Charles, most serene Augustus crowned by God, the great, peaceful emperor ruling the Roman empire], or Imperator Romanorum [Emperor of the Romans]; and was prayed for in the Churches of Rome. His image was henceforward put upon the coins of Rome: while the enemies of the Pope, to the number of three hundred Romans and two or three of the Clergy, were sentenced to death. The three hundred Romans were beheaded in one day in the Lateran fields: but the Clergymen at the intercession of the Pope were pardoned, and banished into France. And thus the title of Roman Emperor, which had hitherto been in the Greek Emperors, was by this act transferred in the West to the Kings of France.”

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Isaac Newton

Vol. I, Ch. 7: Of the Eleventh Horn of Daniel's Fourth Beast
Observations upon the Prophecies of Daniel, and the Apocalypse of St. John (1733)

“In default of any other proof, the thumb would convince me of the existence of a God.”

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Isaac Newton

Reported as something said by Newton in Charles Dickens's All the Year Round https://books.google.es/books?id=bd0NAAAAQAAJ&q=%22the+thumb+would+convince+me+of+the+existence+of+a+God%22+dickens&dq=%22the+thumb+would+convince+me+of+the+existence+of+a+God%22+dickens&hl=es&sa=X&ei=fgHtVJ3BB4WXgwTAzoOwBA&ved=0CCAQ6AEwAA (1864), Vol. 10, p. 346; later found in " The Book of the Hand http://dds.crl.edu/loadStream.asp?iid=28101" (1867) by A R. Craig, S. Low and Marston, p. 51:
"In want of other proofs, the thumb would convince me of the existence of a God; as without the thumb the hand would be a defective and incomplete instrument, so without the moral will, logic, decision, faculties of which the thumb in different degrees offers the different signs, the most fertile and the most brilliant mind would only be a gift without worth."
A slight variant of this is cited as something Newton once "exclaimed" in Human Nature : An Interdisciplinary Biosocial Perspective http://books.google.es/books?id=c6O0AAAAIAAJ&q=In+the+absence+of+any+other+proof,+the+thumb+alone+would+convince+me+of+God's+existence.&dq=In+the+absence+of+any+other+proof,+the+thumb+alone+would+convince+me+of+God's+existence.&hl=es&sa=X&ei=KAkMUuLjL-am2gWtnoHgDg&ved=0CFUQ6AEwBQ, Vol. 1, Issues 7-12 (1978), p. 47: "In the absence of any other proof, the thumb alone would convince me of God's existence."

“Do not Bodies and Light act mutually upon one another; that is to say, Bodies upon Light in emitting, reflecting, refracting and inflecting it, and Light upon Bodies for heating them, and putting their parts into a vibrating motion wherein heat consists?”

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Isaac Newton könyv Opticks, or a Treatise of the Reflections, Refractions, Inflections and Colours of Light

Query 5
Opticks (1704)

“The best and safest method of philosophizing seems to be, first to enquire diligently into the properties of things, and to establish these properties by experiment, and then to proceed more slowly to hypothesis for the explanation of them. For hypotheses should be employed only in explaining the properties of things, but not assumed in determining them, unless so far as they may furnish experiments.”

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Isaac Newton

Letter to Ignatius Pardies (1672) Philosophical Transactions of the Royal Society (Feb. 1671/2) as quoted by William L. Harper, Isaac Newton's Scientific Method: Turning Data Into Evidence about Gravity and Cosmology (2011)

“By this way of Analysis we may proceed from Compounds to Ingredients, and from Motions to the Forces producing them; and in general, from Effects to their Causes, and from particular Causes to more general ones, till the Argument end in the most general. This is the Method of Analysis: and the Synthesis consists in assuming the Causes discover'd, and establish'd as Principles, and by them explaining the Phænomena proceeding from them, and proving the Explanations.”

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Isaac Newton könyv Opticks, or a Treatise of the Reflections, Refractions, Inflections and Colours of Light

Query 31
Opticks (1704)

“Do not the Rays of Light which fall upon Bodies, and are reflected or refracted, begin to bend before they arrive at the Bodies; and are they not reflected, refracted, and inflected, by one and the same Principle, acting variously in various Circumstances?”

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Isaac Newton könyv Opticks, or a Treatise of the Reflections, Refractions, Inflections and Colours of Light

Query 4
Opticks (1704)

“Between the first and second Passover John and Christ baptized together, till the imprisonment of John, which was four months before the second. Then Christ began to preach, and call his disciples; and after he had instructed them a year, lent them to preach in the cities of the Jews: at the same time John hearing of the fame of Christ, sent to him to know who he was. At the third, the chief Priests began to consult about the death of Christ. A little before the fourth, the twelve after they had preached a year in all the cities, returned to Christ; and at the same time Herod beheaded John in prison, after he had been in prison two years and a quarter: and thereupon Christ fled into the desert for fear of Herod. The fourth Christ went not up to Jerusalem for fear of the Jews, who at the Passover before had consulted his death, and because his time was not yet come. Thenceforward therefore till the feast of Tabernacles he walked in Galilee, and that secretly for fear of Herod: and after the feast of Tabernacles he returned no more into Galilee, but sometimes was at Jerusalem, and sometimes retired beyond Jordan, or to the city Ephraim by the wilderness, till the Passover in which he was betrayed, apprehended, and crucified.”

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Isaac Newton

Vol. I, Ch. 11: Of the Times of the Birth and Passion of Christ
Observations upon the Prophecies of Daniel, and the Apocalypse of St. John (1733)

“Do not Bodies act upon Light at a distance, and by their action bend its Rays; and is not this action (caeteris paribus) [all else being equal] strongest at the least distance?”

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Isaac Newton könyv Opticks, or a Treatise of the Reflections, Refractions, Inflections and Colours of Light

Query 1
Opticks (1704)

“I wish we could derive the rest of the phenomena of nature by the same kind of reasoning from mechanical principles; for I am induced by many reasons to suspect that they may all depend upon certain forces by which the particles of bodies, by some causes hitherto unknown, are either mutually impelled towards each other, and cohere in regular figures, or are repelled and recede from each other; which forces being unknown, philosophers have hitherto attempted the search of nature in vain; but I hope the principles here laid down will afford some light either to that or some truer method of philosophy.”

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Isaac Newton könyv Philosophiae Naturalis Principia Mathematica

Preface
Philosophiae Naturalis Principia Mathematica (1687)

“Who is a liar, saith John, but he that denyeth that Jesus is the Christ? He is Antichrist that denyeth the Father & the Son. And we are authorized also to call him God: for the name of God is in him. Exod. 23.21. And we must believe also that by his incarnation of the Virgin he came in the flesh not in appearance only but really & truly, being in all things made like unto his brethren (Heb. 2 17) for which reason he is called also the son of man.”

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Isaac Newton

Drafts on the history of the Church (Section 3). Yahuda Ms. 15.3, National Library of Israel, Jerusalem, Israel. 2006 Online Version at Newton Project http://www.newtonproject.sussex.ac.uk/view/texts/normalized/THEM00220

“The same King [Greek Empire] placed holiness in abstinence from marriage. Eusebius in his Ecclesiastical history tells us, that Musanus wrote a tract against those who fell away to the heresy of the Encratites, which was then newly risen, and had introduced pernicious errors; and that Tatian, the disciple of Justin, was the author thereof; and that Irenæus in his first book against heresies teaches this… But although the followers of Tatian were at first condemned as heretics by the name of Encratites, or Continentes; their principles could not be yet quite exploded: for Montanus refined upon them, and made only second marriages unlawful; he also introduced frequent fastings, and annual, fasting days, the keeping of Lent, and feeding upon dried meats. The Apostolici, about the middle of the third century, condemned marriage, and were a branch of the disciples of Tatian. The Hierocitæ in Egypt, in the latter end of the third century, also condemned marriage. Paul the Eremite [Hermit] fled into the wilderness from the persecution of Decius, and lived there a solitary life till the reign of Constantine the great, but made no disciples. Antony did the like in the persecution of Dioclesian, or a little before, and made disciples; and many others soon followed his example.”

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Isaac Newton

Vol. I, Ch. 13: Of the King who did according to his will, and magnified himself above every God, and honored Mahuzzims, and regarded not the desire of women
Observations upon the Prophecies of Daniel, and the Apocalypse of St. John (1733)

“And now to explain colours. I suppose that as bodies excite sounds of various tones and consequently vibrations, in the air of various bignesses, so when rays of light by impinging on the stiff refracting superficies excite vibrations in the ether, these rays excite vibrations of various bignesses… therefore, the ends of the capillamenta of the optic nerve which front or face the retina being such refracting superficies, when the rays impinge on them they must there excite these vibrations, which vibrations (like those of sound in a trumpet) will run along the pores or crystalline pith of the capillamenta through the optic nerves into the sensorium (which light itself cannot do), and there, I suppose, affect the sense with various colours, according to their bigness and mixture—the biggest with the strongest colours, reds and yellows; the least with the weakest, blues and violets; middle with green; and a confusion of all with white, much after the manner, that in the sense of hearing, nature makes use of aereal vibrations of several bignesses to generate sounds of divers tones; for the analogy of nature is to be observed.”

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Isaac Newton

"Hypothesis explaining the Properties of Light" (1675)

“Henceforward the Christian Churches having a form of godliness, but denying the power thereof, came into the hands of the Encratites: and the Heathens, who in the fourth century came over in great numbers to the Christians, embraced more readily this sort of Christianity, as having a greater affinity with their old superstitions, than that of the sincere Christians; who by the lamps of the seven Churches of Asia, and not by the lamps of the Monasteries, had illuminated the Church Catholic during the three first centuries.”

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Isaac Newton

“Oh, Diamond! Diamond! thou little knowest what mischief thou hast done!”

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Isaac Newton

This is from an anecdote found in St. Nicholas magazine, Vol. 5, No. 4, (February 1878) http://www.gutenberg.org/files/15331/15331-h/15331-h.htm :
Sir Isaac Newton had on his table a pile of papers upon which were written calculations that had taken him twenty years to make. One evening, he left the room for a few minutes, and when he came back he found that his little dog "Diamond" had overturned a candle and set fire to the precious papers, of which nothing was left but a heap of ashes.

“And so, supposing that light impinging on a refracting or reflecting ethereal superficies puts it into a vibrating motion, that physical superficies being by the perpetual applause of rays always kept in a vibrating motion, and the ether therein continually expanded and compressed by turns, if a ray of light impinge on it when it is much compressed, I suppose it is then too dense and stiff to let the ray through, and so reflects it; but the rays that impinge on it at other times, when it is either expanded by the interval between two vibrations or not too much compressed and condensed, go through and are refracted.”

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Isaac Newton

"Hypothesis explaining the Properties of Light" (1675)

“It seems to me, that if the matter of our sun and planets and all the matter of the universe, were evenly scattered throughout all the heavens, and every particle had an innate gravity towards all the rest, and the whole of space throughout which this matter was scattered was but finite, the matter on [toward] the outside of this space would, by its gravity, tend towards all the matter on the inside, and, by consequence, fall down into the middle of the whole space, and there compose one great spherical mass. But if the matter was evenly disposed throughout an infinite space it could never convene into one mass; but some of it would convene into one mass and some into another, so as to make an infinite number of great masses, scattered at great distances from one another throughout all that infinite space.”

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Isaac Newton

Four Letters to Bentley (1692) first letter

“The kingdoms represented by the second and third Beasts, or the Bear and Leopard, are again described by Daniel in his last Prophecy written in the third year of Cyrus over Babylon, the year in which he conquered Persia. For this Prophecy is a commentary upon the Vision of the Ram and He-Goat.”

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Isaac Newton

Vol. I, Ch. 12: Of the Prophecy of the Scripture of Truth
Observations upon the Prophecies of Daniel, and the Apocalypse of St. John (1733)

“If I had stayed for other people to make my tools and things for me, I had never made anything.”

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Isaac Newton

This first appears in the Isaac Newton : A Biography (1934), citing unpublished papers by John Conduitt reporting an anecdote of an occassion where Conduitt asked Newton where he obtained the tools to make his reflecting telescope. Newton is said to have laughed and replied, "If I had stayed for other people to make my tools and things for me I had never made anything of it."
Disputed

“I have that honour for him as to believe that he wrote good sense; and therefore take that sense to be his which is the best.”

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Isaac Newton

Isaac Newton, cited in The Watchtower magazine, 1977, 4/15.

“Every body continues in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed upon it.”

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Isaac Newton könyv Philosophiae Naturalis Principia Mathematica

Laws of Motion, I
Philosophiae Naturalis Principia Mathematica (1687)

“Do not several sorts of Rays make Vibrations of several bignesses, which according to their bigness excite Sensations of several Colours, much after the manner that the Vibrations of the Air, according to their several bignesses excite Sensations of several Sounds? And particularly do not the most refrangible Rays excite the shortest Vibrations for making a Sensation of deep violet, the least refrangible the largest form making a Sensation of deep red, and several intermediate sorts of Rays, Vibrations of several intermediate bignesses to make Sensations of several intemediate Colours?”

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Isaac Newton könyv Opticks, or a Treatise of the Reflections, Refractions, Inflections and Colours of Light

Query 13
Opticks (1704)

“Whence are you certain that ye Ancient of Days is Christ? Does Christ anywhere sit upon ye Throne?”

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Isaac Newton

He wrote in discussing with John Locke the passage of Daniel 7:9. The Correspondence of Isaac Newton, Vol. III, Letter 362. Cited in The Watchtower magazine, 1977, 4/15, article: Isaac Newton’s Search for God.

“In the reign of the Greek Emperor Justinian, and again in the reign of Phocas, the Bishop of Rome obtained some dominion over the Greek Churches, but of no long continuance. His standing dominion was only over the nations of the Western Empire, represented by Daniel's fourth Beast.”

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Isaac Newton

Vol. I, Ch. 8: Of the power of the eleventh horn of Daniel's fourth Beast, to change times and laws
Observations upon the Prophecies of Daniel, and the Apocalypse of St. John (1733)

“And so if any one would suppose that Æther (like our Air) may contain Particles which endeavour to recede from one another (for I do not know what this Æther is) and that its Particles are exceedingly smaller than those of Air, or even than those of Light: The exceeding smallness of its Particles may contribute to the greatness of the force by which those Particles may recede from one another, and thereby make that Medium exceedingly more rare and elastick than Air, and by consequence exceedingly less able to resist the motions of projectiles, and exceedingly more able to press upon gross Bodies, by endeavouring to expand it self.”

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Isaac Newton könyv Opticks, or a Treatise of the Reflections, Refractions, Inflections and Colours of Light

Query 21
Opticks (1704)

“God created everything by number, weight and measure.”
Numero pondere et mensura Deus omnia condidit.

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Isaac Newton

As quoted in Symmetry in Plants (1998) by Roger V. Jean and Denis Barabé, p. xxxvii, a translation of a Latin phrase he wrote in a student's notebook, elsewhere given as Numero pondere et mensura Deus omnia condidit. This is similar to Latin statements by Thomas Aquinas, and even more ancient statements of the Greek philosopher Pythagoras. See also Wisdom of Solomon 11:20 https://en.wikisource.org/wiki/Bible_(King_James)/Wisdom_of_Solomon#Chapter_11