Man is not made only of flesh, skin, and bone, but is also composed of many fine and gross elements, and therefore, for him to live, many different properties are needed. But man generally considers only his food to be that which nourishes his physical body, and seeks for a stimulant for that body, not realizing that besides this much of his being is starved for food all through his life. Man's ignorance of this other part of his being allows it to die, at least to his consciousness. The words of Christ, 'The spirit quickeneth, the flesh profiteth nothing,' indicates this.