To know a little of anything gives neither satisfaction nor credit, but often brings disgrace or ridicule.

Never seem wiser, nor more learned, than the people you are with. Wear your learning, like your watch, in a private pocket: and do not merely pull it out and strike it; merely to show that you have one.

Human nature is the same everywhere; the modes only are different.

An injury is much sooner forgotten than an insult.

There is a certain jargon, which, in French, I should call un Persiflage d'Affaires, that a foreign Minister ought to be perfectlymaster of, and may be used very advantageously at great entertainments, in mixed companies, and in all occasions where he must speak, and should say nothing. Well turned and well spoken, it seems to mean something, though in truth it means nothing. It is a kind of political badinage, which prevents or removes a thousand difficulties, to which a foreign Minister is exposed in mixed conversations.

Six, or at most seven, hours' sleep is, for a constancy, as much as you or anybody else can want; more is only laziness and dozing, and is, I am persuaded, both unwholesome and stupefying.

Good manners are the settled medium of social, as specie is of commercial, life; returns are equally expected for both.