1. Life is about hard work, nothing will be gained without asking for anything. ——Zhang Heng 2. Work is accomplished by hard work but wasteful by playfulness; success is achieved by thinking but destroyed by casualness. ——Han Yu 3. The human brain is the same as the limbs. If it is used more, it will be more efficient, and if it is not used, it will become useless. ——Mao Yisheng 4. Do you want to be a happy person? I hope you learn to bear hardships first. ——Turgenev 5. Inspiration is nothing but "the reward of tenacious labor." ——Lebin 6. If you have perseverance, why do you need to sleep at three o'clock and get up at five o'clock? The most useless thing is to be exposed to ten days of cold in one day. 7. How can you see a rainbow without experiencing wind and rain? ——"Real Heroes" 8. The edge of a sword comes from sharpening, and the fragrance of plum blossoms comes from the bitter cold. 9. Being eager to learn but not diligent in asking questions is not a truly good scholar. 10. Students without curiosity are like birds without wings. 11. Science and technology are productive forces, and they are the primary productive forces. 12. Intelligence lies in diligence, and genius lies in accumulation. 13. The canal is so clear that it has a source of living water. ——Zhu Xi 14. If you don’t learn it when you are young, you will become a worm, and when you grow up, you will become a lazy dragon. 15. If the land is not cultivated, no matter how fertile it is, it will not grow fruit; if a person does not learn, no matter how smart he is, he will be illiterate. 16. When the age is gone, the bowstring spits out arrows. 17. Work is accomplished by hard work, but wasteful by play; success is achieved by thinking, and ruined by casualness. -----Han Yu 18. Time is like water in a sponge. As long as you are willing to squeeze, there is always time. ——Lu Xun 19. Love of learning produces diligence, and diligence produces genius. ——Guo Moruo 20 If a person with high talents is lazy by nature, that is, if he does not work hard to develop his talents, his achievements will not be great, and sometimes he will not be as good as those with lower talents.

——Contradiction