To act is easy, to think is hard; to act according to our thought is troublesome.

A man is really alive only when he delights in the good-will of others.

Oh how sweet it is to hear one's own convictions from another's lips.

I consider him of no account who esteems himself just as the popular breath may chance to raise him.

People are always talking about originality, but what do they mean? As soon as we are born, the world begins to work upon us, and this goes on to the end.

Treat people the way they are and they will stay that way. Treat people the way they can become and they will become that way.

The true, prescriptive artist strives after artistic truth; the lawless artist, following blind instinct, after an appearance of naturalness. The one leads to the highest peaks of art, the other to its lowest depths.