We are tempted to believe that certain achievements and possessions will give us enduring satisfaction. We are invited to imagine ourselves scaling the steep cliff face of happiness in order to reach a wide, high plateau on which we will live out the rest of our lives; we are not reminded that soon after gaining the summit, we will be called down again into fresh lowlands of anxiety and desire.
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.
There are people who say, 'Oh this guy is quite thick.' I think the reason is that, increasingly, I don't mind being simple in terms of literary expression. Others say, 'No, no, no. He went to Cambridge. He got a good degree. He must be Einstein.'