一个人要知道自己的位置,就像一个人知道自己的脸面一样,这是最为清醒的自觉。
Don't bother just to be better than your contemporaries or predecessors. Try to be better than yourself.
以物易物、互通有无的倾向是人类共有的,也是其他动物所没有的。
Abuse of power comes as no surprise.