Mathematics is the language in which the gods talk to people.

The walls of the educational system must come down. Education should not be a privilege, so the children of those who have money can study.

在有地位的人面前不要诉说自己的卑贱，否则他会认为在要求他推荐。在富有的人面前不要说自己的贫困，否则他会认为在求他可怜。

【释义】处于安乐之境要想到危险，想到了就有准备，有准备就能避免祸患。

君子重视个人主观努力，不会去指望上天的恩赐，所以每天都会有所进步。