What makes friendship indissolute and what doubles its charms is a feeling we find lacking in love: I mean certitude.

Lovers have a way of using this word "nothing" which implies exactly the opposite.

Nothing so fortifies a friendship as a belief on the part of one friend that he is superior to the other.

In a husband, there is only a man; in a married woman, there is a man, a father, a mother and a woman.

The happier a man, the more apt he is to tremble. In hearts exclusively tender, anxiety and jealousy are in exact proportion to happiness.

The secret of a great success for which you are at a loss to account is a crime that has never been found out, because it was properly executed.

The great secret of social alchemy is to profit best from each stage in our lives, to gather all its leaves in spring, all its flowers in summer, and all its fruits in autumn.