All is a miracle. The stupendous order of nature, the revolution of a hundred millions of worlds around a million of stars, the activity of light, the life of all animals, all are grand and perpetual miracles.

Hope should no more be a virtue than fear; we fear and we hope, according to what is promised or threatened us.

It is not a mistress I have lost but half of myself, a soul for which my soul seems to have been made.

To a toad what is beauty? A female with two lovely pop-eyes, a wide mouth, yellow belly, and green spotted back.

Do you think... that men have always massacred each other, as they do today? Have they always been liars, cheats, traitors, brigands, weak, flighty, cowardly, envious, gluttonous, drunken, grasping, and vicious, bloody, backbiting, debauched, fanatical, hypocritical, and silly?

An infallible method of making fanatics is to persuade before you instruct.

Every one should be his own physician. We ought to assist, and not to force nature. Eat with moderation...Nothing is good for the body but what we can digest. What medicine can procure digestion? Exercise. What will recruit strength? Sleep.