The Cause of much Misunderstanding.—The morality of increasing nervous force is joyful and restless; the morality of diminishing nervous force, towards evening, or in invalids and old people, is passive, calm, patient, and melancholy, and not rarely even gloomy. In accordance with what we may possess of one or other of these moralities, we do not understand that which we lack, and we often interpret it in others as immorality and weakness.