All material Things seem to have been composed of the hard and solid Particles ... variously associated with the first Creation by the Counsel of an intelligent Agent. For it became him who created them to set them in order: and if he did so, it is unphilosophical to seek for any other Origin of the World, or to pretend that it might arise out of a Chaos by the mere Laws of Nature.

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

'Tis the temper of the hot and superstitious part of mankind in matters of religion ever to be fond of mysteries, and for that reason to like best what they understand least.

In experimental philosophy, propositions gathered from phenomena by induction should be considered either exactly or very nearly true notwithstanding any contrary hypotheses, until yet other phenomena make such propositions either more exact or liable to exceptions.

Sir Isaac Newton was asked how he discovered the law of gravity. He replied, "By thinking about it all the time.

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

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