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.

The state is made for man, not man for the state.... That is to say, the state should be our servant and not we its slaves

Pure logical thinking cannot yield us any knowledge of the empirical world. All knowledge of reality starts from experience and ends in it.

Every day, man is making bigger and better fool-proof things, and every day, nature is making bigger and better fools. So far, I think nature is winning.

This is a question too difficult for a mathematician. It should be asked of a philosopher"(when asked about completing his income tax form)

There will come a point in everyone's life , however, where only intuition can make the leap ahead, without ever knowing precisely how. One can never know why but one must accept intuition as a fact.

I have never obtained any ethical values from my scientific work.