Introspection is a mirror, which can clearly show our mistakes and give us a chance to correct them. Heine

The hardest thing in life is to know yourself. -tellez

4. Introspection is the road to virtue and God. -Watt

It's never too late to correct mistakes. -Shakespeare

6. There are many races of people who are not complacent, always advancing and always hopeful. There are many races of people who only complain, but don't reflect. Sad, sad! -Lu Xun

7. Self-knowledge is the most rare knowledge.

8. Everyone makes mistakes, but only fools insist. -Cicero

9. Self-esteem, self-consciousness and self-control can lead to the lofty realm of life. -Tennyson

10, you can't command yourself or others.

Even the most sophisticated people can't see their backs.

12. If you want to know yourself, you'd better ask someone else.

You know how much you ate.

14. People who are afraid of you face to face must hate you behind your back.

15, there is only one audience singing their praises.

16, if you can't judge yourself, you won't judge others.

17, the more incompetent people are, the more they like to find fault with others.

18, everyone knows where the shoes pinch.

19, don't laugh at others' backs, stand up straight.

20. Only between people can we know ourselves.

Life is unfair, get used to it.

22. One cannot live without criticism and self-criticism, so one cannot make progress.