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Isaac Newton1643–1727

I do not know what I may appear to the world; but to myself I seem to have been only like a boy playing on the seashore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.

Isaac Newton on knowledge

Memoirs of the Life, Writings, and Discoveries of Sir Isaac Newton (1855) by Sir David Brewster (Volume II. Ch. 27)

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

One thing only I know, and that is that I know nothing.
Socrates470–399 BC
Information is not knowledge.
?UnattributedOften credited to Albert Einstein
There is only one good, knowledge, and one evil, ignorance.
Socrates470–399 BCII: xxxi. Original Greek: ἓν μόνον ἀγαθὸν εἶναι, τὴν ἐπιστήμην, καὶ ἓν μόνον κακόν, τὴν ἀμαθίαν
- Good & Evil

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