不过是君主不把它[爱人利人]用在政事上,士大夫也不把它付诸行动罢了。
Happiness is not something ready made. It comes from your own actions.
In mathematics, the art of proposing a question must be held of higher value than solving it.
I don't believe in inspiration. I believe in work.
The writer must be a person who is willing to fail.
孔子说:“将知识默记在心,学习时,不感到满足;教人时,不感到疲倦,对我来说没什么问题。”