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

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.

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

Atheism is so senseless. When I look at the solar system, I see the earth at the right distance from the sun to receive the proper amounts of heat and light. This did not happen by chance.

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

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

As a blind man has no idea of colors, so have we no idea of the manner by which the all-wise God perceives and understands all things.

This most beautiful system of the sun, planets, and comets, could only proceed from the counsel and dominion of an intelligent and powerful Being.

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.