I shall base my brief discussion on the case histories of three patients. The histories are redeemed only from the commonplace by a single merit. They are not unusual. They represent a large cross-section, not of the practice of psychiatry but of the practice of medicine. One is not obliged to look for them in the consulting rooms of the psychiatrist. With the proper mental perspective one may find them by the dozens in the offices of the general practitioner, the internist, the neurologist, the surgeon, the gastro-enterologist, the genito-urinary specialist, the gynecologist, the laryngologist and others who travel the highways and by-paths of the art of medicine. They teach two lessons. The first is a philosophic one—that appearances are often deceptive; the second is a practical one—that perhaps some revision is needed concerning the values that go into the making of a diagnosis and that subsequently dictate the treatment