"Scientific discovery consists in the interpretation for our own convenience of a system of existence which has been m…"

"What most experimenters take for granted before they begin their experiments is infinitely more interesting than any …"

"The measures taken during the war by our military agencies, in restricting the free intercourse among scientists on r…"

"There are no answers, only cross-references."

"I do not expect to publish any future work of mine which may do damage in the hands of irresponsible militarists..."

"Physics is at present a mass of partial theories which no man has yet been able to render truly and clearly consisten…"

"In the past, the community of scholars has made it a custom to furnish scientific information to any person seriously…"

"The experience of the scientists who have worked on the atomic bomb has indicated that in any investigation of this k…"

"[T]he best material model of a cat is another, or preferably the same cat."

"It is my thesis that machines can and do transcend some of the limitations of their designers... although they are th…"