"I was forced to find a new way of expressing the fundamental laws of nature, one which would not rely on the outdated concepts of classical physics."

"The human mind cannot be content with a description of phenomena; it wants to understand them."

"We have to remember that what we observe is not nature in itself but nature exposed to our method of questioning."

"Our proposition that the physicists on both sides should not advance the production of atomic bombs, was thus indirectly, if one wants to exaggerate the point, a proposition in favor of Hitler."

"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."