Hypocrisy is an homage that vice renders to virtue.

The reason why lovers are never bored together is that they are always talking of themselves.

Were we perfectly acquainted with the object, we should never passionately desire it.

We cannot possibly imagine the variety of contradictions in every heart.

Imagination could never invent the number of different contradictions that exist innately in each person's heart.

In love deceit almost always outstrips distrust.

Men are not only prone to forget benefits; they even hate those who have obliged them, and cease to hate those who have injured them. The necessity of revenging an injury, or of recompensing a benefit seems a slavery to which they are unwilling to submit.