1. Persisting in a great cause requires an unswerving spirit. -Voltaire

2. The most terrible enemy is that there is no strong belief. -romain rolland

3. Will lies in tempering, and success lies in persistence. -Zhou Haizhong

4. As long as you have strong willpower, you will naturally have ability, cleverness and knowledge. Dostoevsky

5. There are not many people who can stand still, stick to the right view and tide over the difficulties. -Hugo

6. As long as you keep working hard and struggle tirelessly, there is nothing you can't conquer. -Seneca

7. Success lies not in the strength, but in how long it lasts. -Mr. Johnson

8. How can you get a fragrant plum blossom without turning it over? -Song Fan

9. "Don't shame the last." Even if he is slow, persistent, backward and unsuccessful, he can certainly achieve his desired goal. -Lu Xun

1. If you are constant, why do you have to sleep at night? The most useless thing is to be exposed to the cold for ten days in one day. -Mao Zedong

11. Perseverance, the dead wood does not fold; Perseverance, the stone can be carved. -Xun Kuang

12. Be poor and be strong, and do not fall into the blue sky. -Wang Bo

13. One dollar a day, ten dollars a day. The rope saws the wood, but the water drops the stone. —— Ban Gu