In the oasis complex, the thirsty man images he sees water, palm trees, and shade not because he has evidence for the belief, but because he has a need for it. Desperate needs bring about a hallucination of their solution: thirst hallucinates water, the need for love hallucinates a prince or princess. The oasis complex is never a complete delusion: the man in the desert does see something on the horizon. It is just that the palms have withered, the well is dry, and the place is infected with locusts.

Much of the really serious trouble in the world gets going with a sense of humiliation.

We are certainly influenced by role models, and if we are surrounded by images of beautiful rich people, we will start to think that to be beautiful and rich is very important - just as in the Middle Ages, people were surrounded by images of religious piety.

Though debts are condemned in the financial world, the world of friendship and love may perversely depend on well-managed debts.

Pick up any newspaper or magazine, open the TV, and you'll be bombarded with suggestions of how to have a successful life. Some of these suggestions are deeply unhelpful to our own projects and priorities - and we should take care.

The only people we can think of as normal are those we don't yet know very well.

Pegging your contentment to the overall state of the world rather than of your own life: the basis of morality, or a sort of madness?