Where the people are well educated, the art of piloting a state is best learned from the writings of Plato.

All those who write either explicitly or by insinuation against the dignity, freedom, and immortality of the human soul, may so far forth be justly said to unhinge the principles of morality, and destroy the means of making men reasonably virtuous.

The eye by long use comes to see even in the darkest cavern: and there is no subject so obscure but we may discern some glimpse of truth by long poring on it.

Of all men living [priests] are our greatest enemies. If it were possible, they would extinguish the very light of nature, turn the world into a dungeon, and keep mankind for ever in chains and darkness.

But the velocities of the velocities - the second, third, fourth, and fifth velocities, etc. - exceed, if I mistake not, all human understanding.

The method of Fluxions is the general key by help whereof the modern mathematicians unlock the secrets of Geometry, and consequently of Nature.

The real essence, the internal qualities, and constitution of even the meanest object, is hid from our view; something there is inevery drop of water, every grain of sand, which it is beyond the power of human understanding to fathom or comprehend. But it is evidentthat we are influenced by false principles to that degree as to mistrust our senses, and think we know nothing of those things which we perfectly comprehend.