There must be something solemn, serious, and tender about any attitude which we denominate religious. If glad, it must not grin or snicker if sad, it must not scream or curse.

To study the abnormal is the best way of understanding the normal.

The best argument I know for an immortal life is the existence of a man who deserves one.

In business for yourself, not by yourself.

The god whom science recognizes must be a God of universal laws exclusively, a God who does a wholesale, not a retail business. He cannot accommodate his processes to the convenience of individuals.