The major difference between rats and people is that rats learn from experience.

Teachers must learn how to teach ... they need only to be taught more effective ways of teaching.

A self is a repertoire of behavior appropriate to a given set of contingencies.

Something doing every minute' may be a gesture of despair-or the height of a battle against boredom.

We admire people to the extent that we cannot explain what they do, and the word 'admire' then means 'marvel at.'

The only geniuses produced by the chaos of society are those who do something about it. Chaos breeds geniuses. It offers a man something to be a genius about.

We do not choose survival as a value, it chooses us.