To call an affliction a disorder of thought is to shift the emphasis away from what is thought – the content of the thought – to that which contains the thought; on the other hand, from the architecture to the theme is to shift the emphasis from the container of what is thought, to the content of the thought. Envy contributes to the belief that external objects are the patient’s thought. Since he cannot admit dependence on an external object, he claims that he is, like the breast that feeds itself, the producer as well as the consumer of that on which he depends for this life. Since it is essential that the creative worker should keep his a-function unimpaired, it is clear that the analyst must be able to dream the session. But if he is to do this without sleeping, he must have plenty of sleep.