2, the six dynasties gold dust land, falling wood is more rustling. -Wu

After a mistake, you gain wisdom. -Feng Menglong

4. Experience is the sum of mistakes. -Russia

Only a fool will fall into the same pond for the second time. -Turkey

6. If you learn the lesson, this experience will be ten times more valuable. -Russia

7, watching the water meet, watching people know good and bad. -Sima Qian

8. Past mistakes are future wisdom and success. -England

9. The biggest problem leading to success is the lessons we learn from our own mistakes. -Europe

10, a wise man will never trip over the same stone twice. -Russia

1 1. Smart people learn from other people's tears. Sway Yu

12, less from victory, more from failure. -Japan

13, those who get slapped get a break, and those who learn from it gain wisdom. -"Five Dynasties Han History Pinghua"

14, Yin Jian is not far away, in Xia Hou's world. -The Book of Songs

15, a fox can't catch the same trap twice. -England

16, people who study life can learn from life. -Klyuchevski

17, sex should be taught slowly, and then good. Ok, the lesson is ok. -Jane Corsos

18, I can teach twenty people and tell them how to do it, but if I have to be one of these twenty people and finish my lesson, I will be insensitive. -Shakespeare

19, the past is not as good as the present, and it can still serve as a warning to newcomers. -Wang Anshi

20. A painful experience is always the most powerful lesson. -Latin America