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

Violence sometimes may have cleared away obstructions quickly, but it never has proved itself creative.

Everybody acts not only under external compulsion but also in accordance with inner necessity.

A tyranny based on ... deception and maintained by terror must inevitably perish from the poison it generates within itself.

I refuse to make money out of my science. My laurel is not for sale like so many bales of cotton.

The strongest force in the universe is Compound Interest.

I was originally supposed to become an engineer but the thought of having to expend my creative energy on things that make practical everyday life even more refined, with a loathsome capital gain as the goal, was unbearable to me.