"An important scientific innovation rarely makes its way by gradually winning over and converting its opponents: it rarely happens that Saul becomes Paul. What does happen is that its opponents gradual…"

"I am convinced that the world is governed by laws of a mathematical nature."

"The value of a man is not in what he acquires but in what he develops."

"Physics is a science of the real world, not of the subjective impressions of the individual."

"I was never a revolutionary. I just wanted to do something useful."