"There are things that are so serious that you can only joke about them."

"The world of atoms is a world of possibilities and not a world of things."

"The atoms or elementary particles themselves are not real; they form a world of potentialities or possibilities rather than one of things or facts."

"When I meet God, I am going to ask him two questions: Why relativity? And why turbulence? I really believe he will have an answer for the first."

"When we speak of a picture of reality, we always mean a classical picture."