They have a secret instinct which impels them to seek amusement and occupation abroad, and which arises from the sense of their constant unhappiness. They have another secret instinct, a remnant of the greatness of our original nature, which teaches them that happiness in reality consists only in rest, and not in stir. And of these two contrary instincts they form within themselves a confused idea, which hides itself from their view in the depths of their soul, inciting them to aim at rest through excitement, and always to fancy that the satisfaction which they have not will come to them, if, by surmounting whatever difficulties confront them, they can thereby open the door to rest.