We cannot say that if a child is badly nourished he will become a criminal. We must see what conclusion the child has drawn.

Mathematics is pure language - the language of science. It is unique among languages in its ability to provide precise expression for every thought or concept that can be formulated in its terms.

We only regard those unions as real examples of love and real marriages in which a fixed and unalterable decision has been taken. If men or women contemplate an escape, they do not collect all their powers for the task. In none of the serious and important tasks of life do we arrange such a "getaway." We cannot love and be limited.

The mathematical life of a mathematician is short. Work rarely improves after the age of twenty-five or thirty. If little has been accomplished by then, little will ever be accomplished.

Tears and complaints - the means which I have called water power - can be an extremely useful weapon for disturbing cooperation and reducing other to a condition of slavery.

No experience is a cause of success or failure. We do not suffer from the shock of our experiences, so-called trauma - but we make out of them just what suits our purposes.

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