1. Ambition is the key to meritorious service, and diligence is the key to extensive deeds. ——[Spring and Autumn Period] "Shang Shu"

2. Be diligent in your country and frugal in your family. ——[Spring and Autumn Period] "Shang Shu"

3. A Qi Ji can't take ten steps with one leap; a crossbow horse can ride ten times, but the merit is not lost. ——[Warring States Period] "Xunzi"

4. If you persevere, the rotten wood will not break; if you persevere, the metal and stone can be carved. ——[Warring States Period] "Xunzi"

5. People's livelihood depends on diligence, and diligence will lead to failure. ——[Warring States Period] "Zuo Zhuan"

6. Diligent study is like a seedling rising in the spring. If you don't see its growth, you will gain something every day. Dropping out of school is like a sharpening stone. If you don't see its loss, you will lose something every day. ——[Jin] Tao Qian

7. Life depends on hard work. What can you get if you don’t ask for it? ——[Southern Dynasties] "Book of the Later Han Dynasty"

8. Be diligent in your studies. ——[Southern Dynasties] "The Literary Mind and the Carving of Dragons"

9. Nothing can save troubles more than tranquility, and nothing can make up for clumsiness more than diligence. ——[Tang Dynasty] Bai Juyi

10. Work is accomplished by hard work, but wasteful by play; success is achieved by thinking, and ruined by following. ——[Tang Dynasty] Han Yu

11. There are roads in the mountain of books and diligence is the path, and there is no limit to the sea of ??learning and hard work is the boat. ——[Tang Dynasty] Han Yu

12. After ten years of sharpening a sword, the frost blade has never been tried. ——[Tang] Jia Dao

13. If you are not diligent at the beginning, you will regret it at the end. ——[Tang Dynasty] "Zhenguan Politicians"

14. If you are young and don't work hard, you will have hardships when you are old; if you are young and can work hard, you will be comfortable when you are old. ——[Song Dynasty] Lin Bu

15. Learning through hard work can lead to thousands of books. ——[Song Dynasty] Wang Zhu

16. Diligence and frugality are the ways to manage life. If you are not diligent, you will have little income, and if you are not frugal, you will waste money. ——[Song Dynasty] Zhu Xi

17. The stupid bird flies first and enters the forest early. ——[Yuan] Guan Hanqing

18. As long as you work hard enough, an iron pestle can be ground into a needle. ——[Yuan] Yu Shao

19. If a young man is not diligent and thrifty, an old man will have hardships. ——[Ming Dynasty] Chen Xianzhang

20. Practice makes perfect, and diligence makes you better.

——[Ming and Qing] "Zengguang Xianwen"