To present a scientific subject in an attractive and stimulating manner is an artistic task, similar to that of a novelist or even a dramatic writer. The same holds for writing textbooks.

Something which is against natural laws seems to me rather out of the question because it would be a depressive idea about God. It would make God smaller than he must be assumed. When he stated that these laws hold, then they hold, and he wouldn't make exceptions. This is too human an idea. Humans do such things, but not God.

But in practical affairs, particularly in politics, men are needed who combine human experience and interest in human relations with a knowledge of science and technology.

I am now convinced that theoretical physics is actually philosophy.

No language which lends itself to visualizability can describe quantum jumps.

All attempts to adapt our ethical code to our situation in the technological age have failed.

We need to make a world in which fewer children are born, and in which we take better care of them.