Man has an intense desire for assured knowledge.

Just because you believe in something does not mean that it is true.

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

I know what it's like to see one's mother go through the agony of death and be unable to help; there is no consolation. We all have to bear such heavy burdens, for they are unalterably linked to life.

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.

At present every coachman and every waiter argues about whether or not the relativity theory is correct.

Everything what's inspiring has been created by one who could work in freedom