为何一个人建了一堵墙,另一个人马上就想知道墙的另一边是什么?
Why is it that when one man builds a wall, the next man immediately needs to know what's on the other side?
【释义】:人在幼年时精神专注,成年后心思分散,教育要趁早,别错过时机。
I cannot teach anybody anything。I can only make them think.