Isaac Newton

10 quotes

“1. Fidelity & Allegiance sworn to the King is only such a fidelity and obedience as is due to him by the law of the land; for were that faith and allegiance more than what the law requires, we would swear ourselves slaves , and the King absolute; whereas, by the law, we are free men, notwithstanding those Oaths. 2. When , therefore, the obligation by the law to fidelity and allegiance ceases, that by the Oath also ceases ... Letter to Dr. Covel Feb. 21, (1688”

“Bullialdus wrote that all force respecting the Sun as its center & depending on matter must be reciprocally in a duplicate ratio of the distance from the center. Letter to Edmund Halley (June 20, 1686) quoted in I. Bernard Cohen and George E. Smith , ed.s, The Cambridge Companion to Newton (2002) p. 204”

“I have not been able to discover the cause of those properties of gravity from phenomena, and I frame no hypotheses; for whatever is not deduced from the phenomena is to be called a hypothesis, and hypotheses, whether metaphysical or physical, whether of occult qualities or mechanical, have no place in experimental philosophy. Letter to Robert Hooke (15 February 1676) [5 February 1676 ( O.S. )]”

“Bernard of Chartres used to say that we [the Moderns] are like dwarves perched on the shoulders of giants [the Ancients], and thus we are able to see more and farther than the latter. And this is not at all because of the acuteness of our sight or the stature of our body, but because we are carried aloft and elevated by the magnitude of the giants.”

“This is a variation on a much older adage, which Roger Bacon attributed to Aristotle : Amicus Plato sed magis amica veritas . Bacon was perhaps paraphrasing a statement in the Nicomachean Ethics : Where both are friends, it is right to prefer truth.”