The artist who is not also a craftsman is no good; but, alas, most of our artists are nothing else.

It is not enough to have knowledge; one must apply it. It is not enough to have wishes; one must also accomplish it.

No wonder we are all more or less pleased with mediocrity, since it leaves us at rest, and gives the same comfortable feeling as when one associates with his equals.

Let no one be ashamed to say yes today if yesterday he said no. Or to say no today if yesterday he said yes. For that is life. Never to have changed-what a pitiable thing of which to boast!

Someone criticized an elderly man for wooing young women. He replied that that was the only way to rejuvenation, which was, afterall, everybody's wish.

Nothing is more terrible than to see ignorance in action.

I hate everything that merely instructs me without augmenting or directly invigorating my activity.