Marxism: The theory that all the important things in history are rooted in an economic motive, that history is a science, a science of the search for food.

Why should ANYTHING go right; even observation and deduction? Why should not good logic be as misleading as bad logic? They are both movements in the brain of a bewildered ape?

The best way that a man could test his readiness to encounter the common variety of mankind would be to climb down a chimney into any house at random, and get on as well as possible with the people inside. And that is essentially what each one of us did on the day that he was born.

And all over the world, the old literature, the popular literature, is the same. It consists of very dignified sorrow and very undignified fun. Its sad tales are of broken hearts; its happy tales are of broken heads.

A man does not know what he is saying until he knows what he is not saying.

There is no such thing on earth as an uninteresting subject; the only thing that can exist is an uninterested person.

When men have come to the edge of a precipice, it is the lover of life who has the spirit to leap backwards, and only the pessimist who continues to believe in progress.