There are follies as catching as contagious disorders.

The only security is courage.

Novelty is to love like bloom to fruit; it gives a luster which is easily effaced, but never returns.

The strongest symptom of wisdom in man is his being sensible of his own follies.

The contempt of riches in the philosophers was a concealed desire of revenging on fortune the injustice done to their merit, by despising the good she denied them.

Jealousy lives upon doubts. It becomes madness or ceases entirely as soon as we pass from doubt to certainty.

What makes us so bitter against people who outwit us is that they think themselves cleverer than we are.