It is a magnificent feeling to recognize the unity of complex phenomena which appear to be things quite apart from the direct visible truth.

New frameworks are like climbing a mountain - the larger view encompasses rather than rejects the more restricted view.

The ability to portray people in still life and in motion requires the highest measure of intuition and talent.

I don't believe in mathematics.

It seems to me that the idea of a personal God is an anthropological concept which I cannot take seriously. I also cannot imagine some will or goal outside the human sphere... Science has been charged with undermining morality, but the charge is unjust. A man's ethical behavior should be based effectually on sympathy, education, and social ties and needs; no religious basis is necessary. Man would indeed be in a poor way if he had to be restrained by fear of punishment and hope of reward after death.

It's very depressing to live in a time where it's easier to break an atom than a prejudice.

The discovery of nuclear reactions need not bring about the destruction of mankind any more than the discovery of matches.