Fortune converts everything to the advantage of her favorites.

The only thing constant in life is change

The vices enter into the composition of the virtues, as poisons into that of medicines. Prudence collects and arranges them, and uses them beneficially against the ills of life.

Pride, which inspires us with so much envy, is sometimes of use toward the moderating of it too.

Those who are incapable of committing great crimes do not readily suspect them in others.

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

In friendship, as in love, we are often more happy from the things we are ignorant of than from those we are acquainted with.