Don't listen to the person who has the answers; listen to the person who has the questions.

I know very well that many scientists consider dowsing as they do astrology, as a type of ancient superstition. According to my conviction this is, unjustified. The dowsing rod is a simple instrument which shows the uncanny reaction of the human nervous system to certain factors which are unknown to us at this time.

It has often been said, and certainly not without justification, that the man of science is a poor philosopher.

There's something to be said for relatives...it has to be said because it's unprintable!

I have repeatedly said that in my opinion the idea of a personal God is a childlike one.

I consider it important, indeed urgently necessary, for intellectual workers to get together, both to protect their own economic status and, also, generally speaking, to secure their influence in the political field.

[Mystery] is the fundamental emotion that stands at the cradle of true art and true science.