What we have to learn to do, we learn by doing."

The flute is not an instrument that has a good moral effect; it is too exciting.

"The greatest thing is style. . . a mark of genius, for to make good metaphors implies an eye for resemblances."

"Man, when perfected, is the best of animals, but, when separated from law and justice, he is the worst of all."

"The man who gets angry at the right things and with the right people, and in the right way and at the right time and for the right length of time, is commended."