Those who can’t change their minds can’t change anything.

We must not stay as we are, doing always what was done last time, or we shall stick in the mud. Yet neither must we undertake a new world as catastrophic Utopians, and wreck our civilization in our hurry to mend it.

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.

Do not try to live forever. You will not succeed.

Orchestras only need to be sworn at, and a German is consequently at an advantage with them, as English profanity, except in America, has not gone beyond a limited technology of perdition.

Use your health, even to the point of wearing it out.

Religion is a good invention in times of stress.