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.

Our situation on this earth seems strange. Every one of us appears here involuntarily and uninvited for a short stay, without knowing the whys and the wherefore. In our daily lives we only feel that man is here for the sake of others, for those whom we love and for many other beings whose fate is connected with our own. I am often worried at the thought that my life is based to such a large extent on the work of my fellow human beings and I am aware of my great indebtedness to them.

To understand the world one must not be worrying about one's self.

New frameworks are like climbing a mountain - the larger view encompasses rather than rejects the more restricted view.

The Press, which is mostly controlled by vested interests, has an excessive influence on public opinion.

Germany had the misfortune of becoming poisoned, first because of plenty, and then because of want.

No fairer destiny could be allotted to any physical theory than that it should of itself point out the way to the introduction of a more comprehensive theory, in which it lives on as a limiting case.