Manners must adorn knowledge and smooth its way in the world, without them it is like a great rough diamond, very well in a closet by way of curiosity, and also for its intrinsic value; but most prized when polished.

Pocket all your knowledge with your watch, and never pull it out in company unless desired.

An injury is much sooner forgotten than an insult.

When a person is in fashion, all they do is right.

Awkwardness is a more real disadvantage than it is generally thought to be; it often occasions ridicule, it always lessens dignity.

It seems to me that your doctor [Tronchin] is more of a philosopher than a physician. As for me, I much prefer a doctor who is anoptimist and who gives me remedies that will improve my health. Philosophical consolations are, after all, useless against real ailments. I know only two kinds of sickness--physical and moral: all the others are purely in the imagination.

Distrust those who love you extremely upon a slight acquaintance, and without any visible reason.