The only true retirement is that of the heart; the only true leisure is the repose of the passions. To such persons it makes little difference whether they are young or old; and they die as they have lived, with graceful resignation.

Many a man would have turned rogue if he knew how.

Vulgar prejudices are those which arise out of accident, ignorance, or authority; natural prejudices are those which arise out of the constitution of the human mind itself.

Poverty is the test of civility and the touchstone of friendship.

The ignorance of the world leaves one at the mercy of its malice.

The art of conversation is the art of hearing as well as of being heard.

Friendship is cemented by interest, vanity, or the want of amusement; it seldom implies esteem, or even mutual regard.