Isaac Newton

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

— Isaac Newton

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.

— Isaac Newton

Nature is pleased with simplicity. And nature is no fool.

— Isaac Newton

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

— Isaac Newton

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.

— Isaac Newton

To me there has never been a higher source of earthly honor or distinction than that connected with advances in science.

— Isaac Newton

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

— Isaac Newton

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

To every action there is always opposed an equal reaction.

— Isaac Newton

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

— Isaac Newton

Letter from Isaac Newton to Robert Hooke, 5 February 1676