The deepest, the only theme of human history, compared to which all others are of subordinate importance, is the conflict of skepticism with faith.

Desire is the presentiment of our inner abilities, and the forerunner of our ultimate accomplishments.

Nothing is more damaging to the truth than an old error.

We do not have to visit a madhouse to find disordered minds; our planet is the mental institution of the universe.

Man's highest merit always is, as much as possible, to rule external circumstances and as little as possible to let himself be ruled by them.

Against criticism a man can neither protest nor defend himself; he must act in spite of it, and then it will gradually yield to him.

English plays, Atrocious in content, Absurd in form, Objectionable in action, Execrable EnglishTheatre.