With the same intensity and irresistibility with which it strove upward before middle age , life now descends ; for the goal no longer lies on the summit , but in the valley where the ascent began 带著跟中年以前奋斗追求的同样热情跟冲动,生命现在开始往下奔逐,因为目标不再是位于山顶,而是位于原先出发时的山谷。