Isaac Newton

More from Isaac Newton

• If I have seen further, it is by standing on the shoulders of giants.

  Letter to Robert Hooke (15 February 1676) [dated as 5 February 1675 using the Julian calendar with March 25th rather than January 1st as New Years Day, equivalent to 15 February 1676 by Gregorian reckonings.] A facsimile of the original is online at

  • Knowledge

• A man may imagine things that are false, but he can only understand things that are true, for if the things be false, the apprehension of them is not understanding.

  • Truth & Lies

• If I am anything, which I highly doubt, I have made myself so by hard work.

  • Work

All 10 quotes from Isaac Newton

Popular quotes

• No man is an island, entire of itself; every man is a piece of the continent.

  John Donne1572–1631No Man Is an Island (1624), Devotions Upon Emergent Occasions (1624), Meditation 17In context

• I came, I saw, I conquered.

  Julius Caesar100–44 BCInscription on the triumphal wagon reported in The Twelve Caesars by Suetonius, as translated by Robert Graves (1957).

  • Success

• The unexamined life is not worth living.

  Socrates470–399 BCThe Apology of Socrates (399 BC)

  • Philosophy