A new idea comes suddenly and in a rather intuitive way, but intuition is nothing but the outcome of earlier intellectual experience.

The economic anarchy of capitalist society as it exists today is, in my opinion, the real source of evil.

There is only one road to human greatness: through the school of hard knocks.

Peace cannot be kept by force; it can only be achieved by understanding.

I cannot conceive of a God who rewards and punishes his [sic] creatures, or has a will of the type of which we are conscious ourselves.

A permanent peace cannot be prepared by threats but only by the honest attempt to create a mutual trust. However strong national armaments may be, they do not create military security for any nation nor do they guarantee the maintenance of peace.

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