I was like a boy playing on the sea-shore, and diverting myself 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

If I have done the public any service, it is due to my patient thought.
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

We build too many walls and not enough bridges.
Isaac Newton

If I have seen further than others, it is by standing upon the shoulders of giants.
Isaac Newton

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

To every action there is always opposed an equal reaction.
Isaac Newton