Your account of our Friend’s state of health gives me much concern; the more, as I cannot approve the change he has made of a physician. You say, the doctor, under whose care he is at present, has employed his mind so entirely in medical researches, that he scarcely displays a grain of common sense, when the conversation turns on any other subject; and that, although he seems opinionative, vain, and ostentatious in his profession, and full of false and absurd ideas in the common affairs of life, yet he is a very able physician, and has performed many wonderful cures. Be assured, my dear Sir, that this is impossible; for medical skill is not like the rod of an inchanter, which may be found accidentally, and which transfers[218]............