Trust only movement. Life happens at the level of events, not of words. Trust movement.

The style of life is a unity because it has grown out of the difficulties of early life and out of the striving for a goal.

Violence as a way of gaining power... is being camouflaged under the guise of tradition, national honor [and] national security.

There is only one reason for an individual to side-step to the useless side : the fear of a defeat on the useful side.

A lie would have no sense unless the truth were felt as dangerous.

There is no thing as a man who does not create mathematics and yet is a fine mathematics teacher. Textbooks, course material-these do not approach in importance the communication of what mathematics is really about, of where it is going, and of where it currently stands with respect to the specific branch of it being taught. What really matters is the communication of the spirit of mathematics. It is a spirit that is active rather than contemplative-a spirit of disciplined search for adventures of the intellect. Only as adventurer can really tell of adventures.

Exaggerated sensitiveness is an expression of the feeling of inferiority.