Envying another man's happiness is madness; you wouldn't know what to do with it if you had it.

Prejudices are the props of civilization.

Humanity cherishes its swaddling clothes; but it shall not grow up unless it can free itself from them. Turning down his mother's breast does not make the weaned child ungrateful. ... Rise up naked, valiant; make the sheaths crack; push aside the stakes; to grow straight you need no more than the thrust of your sap and the call of the sun.

The miser puts his gold pieces into a coffer; but as soon as the coffer is closed, it is as if it were empty.

Art that submits to orthodoxy, to even the soundest doctrines, but lacks imagination and deep self-expression is lost leaving only the craftsmanship.

Nothing is good for everyone, but only relatively to some people.

Long only for what you have.