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.
I devote myself to what I love the most, and for this very reason I hesitate to designate it with lofty words: I do not want to risk believing that it is a sublime compulsion, a law, which I obey: I love what I love the most too much to wish to appear to it as one compelled.
CLEOPATRA: If it be love indeed, tell me how much. ANTONY: There's beggary in the love that can be reckoned. CLEOPATRA: I'll set a bourne how far to be belov'd. ANTONY: Then must thou needs find out new heaven, new earth.