Temperament is the thermometer of character.

The key to all sciences is unquestionably the question mark. To the word How? we owe most of our greatest discoveries. Wisdom in life may perhaps consist in asking ourselves on all occasions: Why?

Nature makes only dumb animals. We owe the fools to society.

Love is the reduction of the universe to the single being, and the expansion of a single being, even to God

The Police and the Society of Jesus posses in common the virtue of never forsaking their enemies as friends.

Alas, two men are often necessary to provide a woman with a perfect lover, just as in literature a writer composes a type only by employing the singularities of several similar characters.

Though the human heart may have to pause for rest when climbing the heights of affection it rarely stops on the slippery slope of hatred.