If someone feels that he has never made a mistake in his life, it only means that he has never tried anything new in his life.

Since that deluge of newspaper articles I have been so flooded with questions, invitations, suggestions, that I keep dreaming I am roasting in Hell, and the mailman is the devil eternally yelling at me, showering me with more bundles of letters at my head because I have not answered the old ones.

Even though the realms of religion and science in themselves are clearly marked off from each other, nevertheless there exist between the two strong reciprocal relationships and dependencies.

The most aggravating thing about the younger generation is that I no longer belong to it.

For me the Jewish religion like all other religions is an incarnation of the most childish superstitions.

My success wasn't so much due to intelligence, but the fact that I stuck with problems longer.

The greatest scientists are artists as well.