“If at one time or another I have brushed a few colleagues the wrong way, I must apologize: I had not realized that they were covered with fur.”

“Life is the continuing intervention of the inexplicable.”

“Scientific fashions last longer than women's fashions but not as long as men's”

“Science is wonderfully equipped to answer the question “how?” but it gets terribly confused when you ask the question “why?”

“By the way, I never realized that to be nonbelieving, to be an atheist, was a thing to be proud of. It went without saying as it were....Our creed is indeed a queer creed. You others, Christians (and similar people), consider our ethics much inferior, indeed abominable. There is that little difference. We adhere to ours in practice, you don't.”

“I don't like it, and I'm sorry I ever had anything to do with it.”

“I am no friend of probability theory, I have hated it from the first moment when our dear friend Max Born gave it birth. For it could be seen how easy and simple it made everything, in principle, everything ironed and the true problems concealed. Everybody must jump on the bandwagon [Ausweg]. And actually not a year passed before it became an official credo, and it still is.”