Just do what must be done. This may not be happiness, but it is greatness.

We are more gullible and superstitious today than we were in the Middle Ages, and an example of modern credulity is the widespread belief that the Earth is round. The average man can advance not a single reason for thinking that the Earth is round. He merely swallows this theory because there is something about it that appeals to the twentieth century mentality.

You have no right to say that I am not sincere. I have found a happiness in art that real life has never given me. I am intensely in earnest about art. There is is a magic and mystery in art that you know nothing of.

All progress depends upon the unreasonable person.

People expect too much of one year and too little of ten.

Marry Ann; and at the end of a week you'll find no more inspiration in her than in a plate of muffins.

The plain working truth is that it is not only good for people to be shocked occasionally, but absolutely necessary to the progress of society that they should be shocked pretty often.