If I think the universe is triangular, and you think it is square, there cannot be room for two universes. We may argue politely, we may argue humanely, we may argue with great mutual benefit: but, obviously, we must argue.

Your next-door neighbor is not a man; he is an environment. He is the barking of a dog; he is the noise of a piano; he is a dispute about a party wall; he is drains that are worse than yours, or roses that are better than yours.

The man who lives in contact with what he believes to be a living Church is a man always expecting to meet Plato and Shakespeare tomorrow at breakfast. He is always expecting to see some truth that he has never seen before.

Progress is the mother of problems.

The true object of human life is play.

When a man ceases to believe in god, he does not believe in nothing. He believes in everything.

Our civilization has decided that determining the guilt or innocence of men is a thing too important to be trusted to trained men. When it wants a library catalogued, or the solar system discovered, or any trifle of that kind, it uses up its specialists. But when it wishes anything done which is really serious, it collects twelve of the ordinary men standing round. The same thing was done, if I remember right, by the Founder of Christianity.