"The idea of a simple, objective reality existing independently of the observer has become untenable."

"You spoke in a manner that could only give me the firm impression that under your leadership everything was being done in Germany to develop atomic weapons."

"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."

"The first gulp from the glass of natural sciences will turn you into an atheist, but at the bottom of the glass God is waiting for you."

"The path to the nucleus is easy to find, but the nucleus itself is hard to reach."