Being unmasked is a kind of failure, but taking off the mask yourself is a kind of victory. ——Hugo

2. Mindfulness (examining the heart and introspection) is a good way to understand yourself and gain efficiency in life. ——Yu Dan, professor at Beijing Normal University and cultural scholar

3. People who have never experienced hardship can only see one side of the world but not the other side. ...Real life can only be realized after arduous struggle. ——Seneca

4. It’s never too late to correct your mistakes. ——Shakespeare

5. Find time to think about what you did during the day, whether it is a positive sign or a negative sign. If it is a positive sign, it is good. If it is a negative sign, take action. ——Dimitrov, leader of the Communist Party of Bulgaria

6. The stars in the sky can be counted clearly, but the soot on his face cannot be seen. ——Malaysia

7. Only when you have deeply suffered yourself can you understand the pain of others, so it is difficult to reflect on yourself. ——Xi Juan

8. Everyone knows that shoes squeeze the feet. ——Latin America

9. The impact of any book is more than making readers start to reflect internally. ——Carrel

10. You know where your shoes are tight. ——Spain

11. If you want me to write my own history, I will write about my mistakes.

12. Don’t laugh at others’ hunched backs, straighten your own back. ——Soviet Union

13. The most difficult thing is to know yourself. ——Greece

14. As long as you find that you are on the side of the majority, it is time to stop and reflect. ——Mark Vine

15. We are not afraid to admit our "weakness". The more we know where we are weak, the better we can do our best to strengthen it in our own positions. ——Wen Yiduo

16. Friends must help each other in times of adversity, only then can it be called true friendship. ——Shakespeare

17. Youth is the king of life, the spring of life, and the splendor of life. ——Li Dazhao

18. Only when you have suffered deeply can you understand the pain of others, so it is difficult to reflect on yourself. ——Xi Juan's "Lost"

19. The most certain hope often results in disappointment; the least hopeful thing will succeed unexpectedly. ——Shakespeare

20. We have gone through many detours, and business entrepreneurs and managers must reflect deeply on this. ——Wang Xuan

21. If you can’t command yourself, you can’t command others. ——United States

22. Only among people can you know yourself. ——Germany

23. People cannot live without criticism and self-criticism, otherwise a person cannot make progress.

24. A person washes his mind to remove evil, just as he bathes his body to remove dirt. ——Zhu Xi's "Annotations to the Four Books: University"

25. I do dissect others from time to time, but more often than not I dissect myself more ruthlessly.

26. Maybe one person says that you are not convinced, and two people say that you are not convinced. When many people say that, you have to reflect on it, and there must be something wrong with you.

27. The most difficult thing in life is to know yourself.

28. Everyone makes mistakes, but only fools will not correct their mistakes.

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

30. There are many races of people who are not complacent. They always move forward and always have hope. There are many races of people who only know how to blame others but don’t know how to reflect. Woe to you, woe to you!