"Only a few know, how much one must know to know how little one knows."

"I would say that I was absolutely convinced of the possibility of our making a uranium engine. but I never thought that we would make a bomb. and at the bottom of my heart. I was really glad that it w…"

"The idea of an objective real world whose smallest parts exist objectively in the same sense as stones or trees exist, independently of whether or not we observe them... is impossible."

"If we want to describe what happens in an atomic event, we must realize that the word 'happens' can apply only to the observation, not to the state of affairs between two observations."

"If a man is to be a good physicist, he must have an intuitive grasp of the physical reality, which can be acquired only by much experience."