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

— Isaac Newton

I can calculate the motion of heavenly bodies, but not the madness of people.

— Isaac Newton

What we know is a drop, what we don't know is an ocean.

— Isaac Newton

Truth is ever to be found in simplicity, and not in the multiplicity and confusion of things.

— Isaac Newton

Tact is the knack of making a point without making an enemy.

— Isaac Newton

No great discovery was ever made without a bold guess.

— Isaac Newton

To every action there is always opposed an equal reaction.

— Isaac Newton

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

— Isaac Newton

We build too many walls and not enough bridges.

— Isaac Newton

If I have ever made any valuable discoveries, it has been due more to patient attention than to any other talent.

— Isaac Newton

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