Quotes by Isaac Newton

We build too many walls and not enough bridges.

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

Genius is patience.

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

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

What goes up must come down.

In the absence of any other proof, the thumb alone would convince me of God's existence.

To every action there is always opposed an equal reaction.

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.

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

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

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