We must know where to doubt, where to feel certain, where to submit. He who does not do so, understands not the force of reason.

The last thing that we find in making a book is to know what we must put first.

There are two types of mind . . . the mathematical, and what might be called the intuitive. The former arrives at its views slowly, but they are firm and rigid; the latter is endowed with greater flexibility and applies itself simultaneously to the diverse lovable parts of that which it loves.

There is nothing so insupportable to man as to be in entire repose, without passion, occupation, amusement, or application. Then it is that he feels his own nothingness, isolation, insignificance, dependent nature, powerless, emptiness. Immediately there issue from his soul ennui, sadness, chagrin, vexation, despair.

Everyone, without exception, is searching for happiness.

Voluptuousness, like justice, is blind, but that is the only resemblance between them.

There would be too great darkness, if truth had not visible signs.