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

I cannot seriously believe in it [quantum theory] because the theory cannot be reconciled with the idea that physics should represent a reality in time and space, free from spooky actions at a distance [spukhafte Fernwirkungen].

It is the same with people as it is with riding a bike. Only when moving can one comfortably maintain one's balance.

The most important question a person can ask is, "Is the Universe a friendly place?

A man who is convinced of the truth of his religion is indeed never tolerant. At the least, he is to feel pity for the adherent of another religion but usually it does not stop there. The faithful adherent of a religion will try first of all to convince those that believe in another religion and usually he goes on to hatred if he is not successful. However, hatred then leads to persecution when the might of the majority is behind it.

Realising the healthy international relations can be created only among populations made up of individuals who themselves are healthy and enjoy a measure a independence, the United Nations elaborated a Universal Declaration of Human Rights, which was adopted by the U.N. General Assembly on December 10, 1948.

The consequence was a positively fanatic [orgy of] freethinking coupled with the impression that youth is being deceived by the state through lies; it was a crushing impression