老年人无所谓不信;中年人无所不疑;年轻人无所不知。
The old believe everything; the middle-aged suspect everything; the young know everything.
To exist is to be in dialogue—with others, with time, with the unknown.
释义:云彩积得厚,雨就一定下得猛;弓弩很强劲,箭就一定射得远。说明成功从来都不是一蹴而就的,而是需要一个厚积薄发的过程。