It is sometimes necessary to play the fool to avoid being deceived by cunning men.

A man is sometimes better off deceived about the one he loves, than undeceived.

We are never so easily deceived as when we imagine we are deceiving others.

True friendship destroys envy, and true love destroys coquetterie.

The duration of our passions is no more dependent on ourselves than the duration of our lives.

Too great haste to repay an obligation is a kind of ingratitude.

The vivacity that augments with years is not far from folly.