"The Ignis Fatuus is a vapor shining without heat."
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Isaac Newton quotes (page 8 of 10)
194 quotes — follow a thought to its full quote page.
"Every body persists in a state of rest or of uniform motion in a straight line, unless it is compelled to change that state by forces having impact upon it."
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"This Excellent Mathematician having given us, in the Transactions of February last, an account of the cause, which induced him to think upon Reflecting Telescopes, instead of Refracting ones, hath thereupon presented the curious world with an Essay of what may be performed by such Telescopes; by which it is found, that Telescopical Tubes may be considerably shortened without prejudice to their magnifiying effect. On his invention of the catadioptrical telescope, as he communicated to the Royal Society."
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". . . Newton was an unquestioning believer in an all-wise creator of the universe, and in his own inability - like the boy on the seashore - to fathom the entire ocean in all its depths. He therefore believed that there were not only many things in heaven beyond his philosophy, but plenty on earth as well, and he made it his business to understand for himself what the majority of intelligent men of his time accepted without dispute (to them it was as natural as common sense) - the traditional account of the creation."
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"In scripture we are told of some trusting in God and others trusting in idols, and that God is our refuge, our strength, our defense. In this sense God is the rock of his people, and false Gods are called the rock of those that trust in them. In the same sense the Gods of the King who shall do according to his will are called Mahuzzims, munitions, fortresses, protectors, guardians, or defenders."
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"Centripetal force is the force by which bodies are drawn from all sides, are impelled, or in any way tend, toward some point as to a center."
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"In experimental philosophy, propositions gathered from phenomena by induction should be considered either exactly or very nearly true notwithstanding any contrary hypotheses, until yet other phenomena make such propositions either more exact or liable to exceptions."
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"Where both are friends, it is right to prefer truth."
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"To explain all nature is too difficult a task for any one man or even for any one age"
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"I can measure the motion of bodies but I cannot measure human folly."
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"Therefore to the same natural effects we must, as far as possible, assign the same causes."
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"Hypotheses non fingo. I frame no hypotheses."
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"Philosophy is such an impertinently litigious lady that a man had as good be engaged in lawsuits as have to do with her."
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"'Tis the temper of the hot and superstitious part of mankind in matters of religion ever to be fond of mysteries, and for that reason to like best what they understand least."
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"When the adversaries of Erasmus had got the Trinity into his edition, they threw by their manuscript as an old almanac out of date."
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"The alternation of motion is ever proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed."
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"Oh Diamond! Diamond! thou little knowest the mischief done! [Apocryphal]"
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"No old Men (excepting Dr. Wallis) love Mathematicks."
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"Therefore, the causes assigned to natural effects of the same kind must be, so far as possible, the same."
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"Our present work sets forth mathematical principles of philosophy. For the basic problem of philosophy seems to be to discover the forces of nature from the phenomena of motions and then to demonstrate the other phenomena from these forces. It is to these ends that the general propositions in books 1 and 2 are directed, while in book 3 our explanation of the system of the world illustrates these propositions."
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