To his patients he gave three-quarters of an hour; and if in this exacting science which has to do with what, after all, we know nothing about--the nervous system, the human brain--a doctor loses his sense of proportion, as a doctor he fails. Health we must have; and health is proportion; so that when a man comes into your room and says he is Christ (a common delusion), and has a message, as they mostly have, and threatens, as they often do, to kill himself, you invoke proportion; order rest in bed; rest in solitude; silence and rest; rest without friends, without books, without messages; six months' rest; until a man who went in weighing seven stone six comes out weighing twelve.