We want a few mad people now. See where the sane ones have landed us.

The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.

The test of a man or woman's breeding is how they behave in a quarrel.

There is only one religion, though there are a hundred versions of it.

Better keep yourself clean and bright: you are the window through which you see the world.

... a great devotee of the Gospel of Getting On.

As long as more people will pay admission to a theater to see a naked body than to see a naked brain, the drama will languish.

All great truths begin as blasphemies.

Virtue consists, not in abstaining from vice, but in not desiring it.

It's all that the young can do for the old, to shock them and keep them up to date.