How can any educated person stay away from the Greeks? I have always been far more interested in them than in science.

Out yonder there was this huge world...which stands before us like a great eternal riddle.

Conventional words or other signs have to be sought for laboriously only in a second stage, where the associative play already referred to is sufficiently established and can be reproduced at will.

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.

One cannot deal with a problem with the same thinking that creates it.

You cannot simultaneously prevent and prepare for war.

The splitting of the atom has changed everything except for how we think.