If everybody lived as I do, surely the writing of romance novels would never have come into being.

The only way to escape the corruptible effect of praise is to go on working.

I believe that a simple and unassuming manner of life is best for everyone, best both for the body and the mind.

There is no salvation for civilization, or even the human race, other than the creation of a world government.

A man should look for what is, and not for what he thinks should be.

One must console oneself with the thought that time has a sieve through which most of these important things run into the ocean of oblivion and what remains after this selection is often still trite and bad.

If I were not a physicist, I would probably be a musician. I often think in music. I live my daydreams in music. I see my life in terms of music.