To explain all nature is too difficult a task for any one man or even for any one age. 'Tis much better to do a little with certainty, & leave the rest for others that come after you, than to explain all things by conjecture without making sure of any thing.

Isaac Newton

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

Isaac Newton (Letter to Robert Hooke, 1676)

We build too many walls and not enough bridges.

Isaac Newton

Plato is my friend, Aristotle is my friend, but my greatest friend is truth.

Isaac Newton (Notes - Certain Philosophical Questions, 1664) 

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