"If there is no complete agreement between the results of one's work and the experiment, one should not allow oneself …"

"The measure of greatness in a scientific idea is the extent to which it stimulates thought and opens up new lines of …"

"If we are honest — and scientists have to be — we must admit that religion is a jumble of false assertions, with no b…"

"The underlying physical laws necessary for the mathematical theory of a large part of physics and the whole of chemis…"

"At the beginning of time the laws of Nature were probably very different from what they are now. Thus we should consi…"

"In science one tries to tell people, in such a way as to be understood by everyone, something that no one ever knew b…"

"With my assumption... life need never end. There is no decisive argument for deciding between [certain] assumptions. …"

"It was a good description to say that it was a game, a very interesting game one could play. Whenever one solved one …"

"I don't suppose that applies so much to other physicists; I think it’s a peculiarity of myself that I like to play ab…"

"I want to emphasize the necessity for a sound mathematical basis for any fundamental physical theory. Any philosophic…"