Convictions can best be supported with experience and clear thinking.

One thing I have learned in a long life: that all our science, measured against reality, is primitive and childlike -- and yet it is the most precious thing we have.

When I was young, all I wanted and expected from life was to sit quietly in some corner doing my work without the public paying attention to me. And now see what has become of me.

Humankind's desire for peace can be realized only by the creation of a world government.

Capitalism creates a huge community of producers who are unceasingly striving to deprive each other of the fruits of their collective labor, and an oligarchy that cannot be effectively checked even by a democratically organized society....the subjugation is not by force but because the privileged class has long ago established a system of values by which the people were thenceforth, to a large extent unconsciously, guided in their social behavior.

The world we have made is a result of the level of thinking we have done thus far.

The foundation of morality should not be made dependent on myth nor tied to any authority lest doubt about the myth or about the legitimacy of the authority imperil the foundation of sound judgment and action.