"We are told such a number as the square root of 2 worried Pythagoras and his school almost to exhaustion. Being used to such queer numbers from early childhood, we must be careful not to form a low id…"

"I consider the idea of a personal God as being very childish. We must give up this idea."

"The greatest obstacle to progress in science is the belief that one knows something which one does not know."

"The ultimate goal of science is to understand the universe and our place in it."

"If we were to take the wave function to be a complete description of reality, then the living and dead cat would indeed be equally real."