Thought makes the whole dignity of man; therefore endeavor to think well, that is the only morality.

The last proceeding of reason is to recognize that there is an infinity of things which are beyond it. There is nothing so conformable to reason as this disavowal of reason.

Chance gives rise to thoughts, and chance removes them; no art can keep or acquire them.

It is certain that those who have the living faith in their hearts see at once that all existence is none other than the work of the God whom they adore. But for those in whom this light is extinguished, [if we were to show them our proofs of the existence of God] nothing is more calculated to arouse their contempt. . . .

All the trouble in the world is due to the fact that man cannot sit still in a room.

What reason have atheists for saying that we cannot rise again? That what has never been, should be, or that what has been, should be again? Is it more difficult to come into being than to return to it.

Who dispenses reputation? Who makes us respect and revere persons, works, laws, the great? Who but this faculty of imagination? All the riches of the earth are inadequate without its approval.