1. Those who do not have strong ambitions will not be wise, and those who do not believe in their words will not achieve results. ——Mo Zhai

2. Those who know are not as good as those who are good at it, and those who are good at it are not as good as those who are happy. ——Confucius

3. The truth is the most sincere. If you are not sincere, you will not be able to move people. ——Zhuang Zhou

4. You should study at any time and learn everything; you should concentrate your efforts to know more and know everything. ——Al Gore

5. Ten thousand years is too long, so seize the day. ——Mao Zedong

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

7. If a person breaks his promise, his reputation will be ruined. ——Liu Xiang

8. No one can survive in the world without loyalty. ——Cheng Yi

9. If someone is far away from heaven, loyalty is his clothes and his trust is his clothes. ——Lu Zhaoling

10. When three of us are together, there must be my teacher. Choose the good ones and follow them, and change the bad ones. ——Confucius

11. Goodness cannot come from outside, and the name cannot be made in vain. ——Qu Yuan

12. Time is my property, and my fields are time. ——Goethe

13. Raising a question is often more important than solving a problem. ——Einstein

14. Those who abandon today will have no tomorrow; and yesterday is nothing more than running water. ——John Locke

15. Learning without thinking is a waste, thinking without learning is peril. ——Confucius

16. My life has a limit, but my knowledge has no limit. ——Zhuangzi

17. Youth are the pillars of revolution. Youth are the defenders of the fruits of revolution and the force that accelerates history toward a better world. ——Song Qingling

18. Youth is always beautiful, but true youth only belongs to those who always strive for the top, those who always work selflessly, and those who are always humble! ——Lei Feng

19. Procrastination is wasted, there is not much time to come, twenty beauties, please come and kiss me, the grass is withered and the poplars are withered, youth is easy to pass. ——Shakespeare

20. Appreciate the wonderful articles and analyze the doubts. ——Tao Yuanming