If you wish to appear agreeable in society, you must consent to be taught many things which you already know.

Avoid him who from mere curiosity asks three questions running about a thing that cannot interest Him.

The enemy of art is the enemy of nature; art is nothing but the highest sagacity and exertion of human nature; and what nature will he honour who honours not the human?

He who seldom speaks, and with one calm well-timed word can strike dumb the loquacious, is a genius or a hero.

To know yourself you have only to set down a true statement of those that ever loved or hated you.

What do I owe to my times, to my country, to my neighbors, to my friends? Such are the questions which a virtuous man ought often to ask himself.

There are no friends more inseparable than pride and hardness of heart, humility and love, falsehood and impudence.