"The task is not so much to see what no one has yet seen; but to think what nobody has yet thought, about that which everybody sees."

"The atom consists of a nucleus and electrons. This is a very crude picture, but it is the one we have to work with."

"The number of degrees of freedom of the cat is enormous. Is it possible that the cat is to be described by a wave function, which is a superposition of a live and a dead cat?"

"This life of yours which you are living is not merely a piece of the entire existence, but is in a certain sense the whole; only this whole is not so constituted that it can be surveyed in a single gl…"

"The more deeply we penetrate into nature, the more we find that it is full of mysteries."