For me the Jewish religion like all other religions is an incarnation of the most childish superstitions.
Strive not to be a success, but rather to be of value.
As long as I have any choice in the matter, I shall live only in a country where civil liberty, tolerance and equality of all citizens before the law prevail.
Berlin is the place to which I am most closely bound by human and scientific ties.
I hate all the loathsome nonsense that goes with patriotism.
Gradually the conviction gained recognition that all knowledge about things is exclusively a working-over of the raw material furnished by the senses. ... Galileo and Hume first upheld this principle with full clarity and decisiveness.