Life is not fair. Get used to it.

15、在获得胜利之后而能克制自己的人，获得了双重的胜利。

Those who can restrain themselves after winning win win double victories.

16、人不能没有批评和自我批评，那样一个人就不能进步。

One can't make progress without criticism and self-criticism.

17、只一自反，天下没有不可了之事。

There is nothing in the world that can't be done without self-reflection.

18、莫笑别人背驼，自己把腰挺直。

Don't laugh at other people's hunches, straighten your waist.

19、被人揭下面具是一种失败，自己揭下面具是一种胜利。

Being uncovered is a failure, and being uncovered by oneself is a victory.

20、每个人都知道鞋子挤脚的地方。

Everyone knows where shoes pinch their feet.

21、反省是一面镜子，它能将我们的错误清清楚楚地照出来，使我们有改正的机会。

Reflection is a mirror that can clearly show our mistakes and give us the opportunity to correct them.

22、自知之明是最难得的知识。

Self-knowledge is the most valuable knowledge.

If you are afraid of you face to face, you will hate you behind your back.

24、只有在人群中间，才能认识自己。

Only in the middle of the crowd can we know ourselves.

25、自己的鞋子，自己知道紧在哪里。

My shoes, I know where it's tight.

26、不会评价自己，就不会评价别人。

If you don't evaluate yourself, you won't evaluate others.

27、不会从失败中寻找教训的人，他们的成功之路是遥远的。