Democracy, taken in its narrower, purely political, sense, suffers from the fact that those in economic and political power possess the means for molding public opinion to serve their own class interests. The democratic form of government in itself does not automatically solve problems; it offers, however, a useful framework for their solution. Everything depends ultimately on the political and moral qualities of the citizenry.

Memory is deceptive because it is colored by today's events.

The one who walks alone, is likely to find himself in places no one has ever been.

There is no place in this new kind of physics both for the field and matter, for the field is the only reality.

To the extent math refers to reality, we are not certain to the extent we are certain, math does not refer to reality.

Balance in large measure is knowing the things that can be changed, putting them in proper perspective, and recognizing the things that will not change."

The comprehensibility of the world seems to me a wonder or eternal secret. Here lies the sense of wonder which increases even more with the development of our knowledge.