The music of Mozart is of such purity and beauty that one feels he merely found it - that it has always existed as part of the inner beauty of the universe waiting to be revealed.

The more I learn, the more I realize I don't know.

A human being is part of a whole called by us the universe.

People should be more like animals . . . they should be more intuitive; they should not be too conscious of what they do while they do it.

The Nuremberg Trial of the German war criminals was tacitly based on the recognition of the principle: criminal actions cannot be excused if committed on government orders; conscience supersedes the authority of the law of the state.

All the fifty years of conscious brooding have brought me no closer to answer the question, "What are light quanta?" Of course today every rascal thinks he knows the answer, but he is deluding himself.

If the facts don't fit the theory, change the facts.