. . .  In the present case, the error lies in making a symmetrical dualism between mental and physical (or bodily) symptoms, a dualism which is merely a habit of speech and to which no known observations can be found to correspond. Let us see if this is so. In medical practice, when we speak of physical disturbances, we mean either signs (for example, a fever) or symptoms (for example, pain). We speak of mental symptoms, on the other hand, when we refer to a patient's communications about himself, others, and the world about him.  He might state that he is Napoleon or that he is being persecuted by the Communists. These would be considered mental symptoms only if the observer believed that the patient was not Napoleon or that he was not being persecuted[sic] by the Communists. This makes it apparent that the statement that "X is a mental symptom" involves rendering a judgment. The judgment entails, moreover, a covert comparison or matching of the patient's ideas, concepts, or beliefs with those of the observer and the society in which they live.  The notion of mental symptom is therefore inextricably tied to the social (including ethical) context in which it is made in much the same way as the notion of bodily symptom is tied to an anatomical and genetic context (Szasz, 1957a, 1957b).
To sum up what has been said thus far: I have tried to show that for those who regard mental symptoms as signs of brain disease, the concept of mental illness is unnecessary and misleading.  For what they mean is that people so labeled suffer from diseases of the brain; and, if that is what they mean, it would seem better for the sake of clarity to say that and not something else. 
MENTAL ILLNESS AS A NAME FOR PROBLEMS IN LIVING
The term "mental illness" is widely used to describe something which is very different than a disease of the brain.  Many people today take it· for granted ….
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Elaboration Episode corollary:  Elaborations which approach the reader's capacity for information processing mark elaboration episodes, which define new choice points for the writer and result in text segmentations (such as new paragraphs, sections, chapters, volumes, etc.).  These same devices are available to ‘shift gears,’ indicating ‘I’m writing about something different now’ „