Oaths are but words, and words are but wind.

Christ: I dislike him very much. Still, I can stand him. What I cannot stand is the wretched band of people whose profession is to hoodwink us about him.

A man should be just cultured enough to be able to look with suspicion upon culture at first, not second hand.

If people would dare to speak to one another unreservedly, there would be a good deal less sorrow in the world a hundred years hence.

Self-preservation is the first law of nature.

Don't learn to do, but learn in doing.

Every man's work, whether it be literature, or music or pictures or architecture or anything else, is always a portrait of himself.