I am not of the opinion generally entertained in this country [England], that man lives by Greek and Latin alone; that is, by knowing a great many words of two dead languages, which nobody living knows perfectly, and which are of no use in the common intercourse of life. Useful knowledge, in my opinion, consists of modern languages, history, and geography; some Latin may be thrown into the bargain, in compliance with custom, and for closet amusement.

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.

Spirit is now a very fashionable word: to act with Spirit, to speak with Spirit, means only to act rashly, and to talk indiscreetly. An able man shows his Spirit by gentle words and resolute actions; he is neither hot nor timid.

The power of applying attention, steady and undissipated, to a single object, is the sure mark of superior genius.

Cardinal Mazarin was a great knave, but no great man; much more cunning than able; scandalously false and dirtily greedy.

The world can doubtless never be well known by theory: practice is absolutely necessary; but surely it is of great use to a young man, before he sets out for that country, full of mazes, windings, and turnings, to have at least a general map of it, made by some experienced traveler.

He makes people pleased with him by making them first pleased with themselves.