1. Nothing is difficult in the world, only those who are willing can do it. ——Mao Zedong

2. The sunset is infinitely beautiful, but it is almost dusk. ——Li Shangyin

3. If you want to see a thousand miles away, reach a higher level. ——Yang Wanli

4. Fix the leaks while the weather is clear, and study while you are young. ——Anonymous

5. The prime years will never come again, and the morning will never come again. ——Tao Yuanming

6. If young people don’t work hard, old people will be sad. ——Zhang Dai

7. You know the nature of fish when you are close to the water, and you know the sounds of birds when you are close to the mountains. ——"Zengguang Xianwen"

8. If you don't eat, you will be hungry; if you don't study, you will be stupid. ——Anonymous

9. The more you sharpen your knife, the sharper it becomes, and the more you use your brain, the smarter it becomes. ——Anonymous

10. Reading without knowing the meaning is equivalent to chewing bark. ——Yuan Mu

11. You must let nature take its course, don’t let nature take its course. ——Anonymous

12. Only when there are no thoughts can you be still, and in the quiet, the energy will calm down. ——Hundred Sentences Chapter

13. Those who do are like ox hair, and those who gain are like scales and horns. ——"Preface to the Biography of Wenyuan in Northern History"

14. There is no immediate reputation for good deeds, and there is no immediate punishment for evil deeds. ——"Zhuangzi"

15. Virtue is accumulated from tolerance, wealth is obtained from frugality.

——Wang Shimin