"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, ever…"

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

"Needless to say, taken literally, this is just as absurd. For an adult organism the energy content is as stationary as the material content. Since, surely, any calorie is worth as much as any other ca…"

"In fact, I should say that the world is a picture drawn by ourselves, and that we are ourselves part of the picture."

"The present is the only thing that has no end."