The more people who believe something, the more apt it is to be wrong. The person who's right often has to stand alone.

The self-assured believer is a greater sinner in the eyes of God than the troubled disbeliever.

There is nothing with which every man is so afraid as getting to know how enormously much he is capable of doing and becoming.

I found I had less and less to say, until finally, I became silent, and began to listen. I discovered in the silence, the voice of God

Knowledge is an attitude, a passion, actually an illicit attitude. For the compulsion to know is like dipsomania, erotomania, and homicidal mania, in producing a character that is out of balance. It is not at all that the scientist goes after the truth.

In a theatre it happened that a fire started off stage. The clown came out to tell the audience. They thought it was a joke and applauded. He told them again, and they became still more hilarious. This is the way, I suppose, that the world will be destroyed-amid the universal hilarity of wits and wags who think it is all a joke.

Every mental act is composed of doubt and belief, but it is belief that is the positive, it is belief that sustains thought and holds the world together.