Self-interest makes some people blind, and others sharp-sighted.

Gratitude, in most men, is only a strong and secret hope of greater favors.

We are never so ridiculous through what we are as through what we pretend to be.

It takes more strength of character to withstand good fortune than bad.

We are so used to dissembling with others that in time we come to deceive and dissemble with ourselves.

Many young persons believe themselves natural when they are only impolite and coarse.

Lovers, when they are no longer in love, find it very hard to break up.