1. Spiders build webs on the branches of trees. A strong wind suddenly rose, blowing off its silk threads. Spiders must not be lazy and camp again and again. A man who does not force himself is worse than a spider. ——Anonymous

2. People’s best work is often done under adverse circumstances. Mental stress and even pain can become mental stimulants. ——Beveridge

3. If you don’t advance in academic knowledge, you will retreat. ——Zongtang Zuo

4. Pain is the great teacher of mankind. The soul thrives in the breath of pain. ——Ye Xin Bach

5. If the age is not cold, there is no way to know the pines and cypresses; if things are not difficult, there is no way to know the gentleman. ——Xunzi

6. Suffering is a test and a temper, and it is gritting your teeth to dig out the stains on your soul. ——Ba Jin

7. Dao is enough to forget things and achieve spring, and ambition is enough to make the rise and fall of Qi. ——Su Shi

8. The greatest glory in life lies not in never failing, but in being able to rise again and again. ——Goldsmith

9. Diligence can overcome all difficulties. ——Japan

10. Miracles appear in bad luck. ——Bacon

11. Difficulties contain victory, and failures breed success. ——Proverb

12. It is best for a person to always have some adverse experiences, otherwise he will become depressed unconsciously. People are only afraid of being down by themselves and not being scolded by others. ——Guo Moruo

13. Nothing is difficult in the world, but perseverance is the key to success. ——Huang Xing

14. Don’t be uneasy when you live in difficulties. The fountain of life often flows out from the darkness...Don’t be depressed because of bad luck. Although patience is painful, the fruits are there. It's the sweetest. ——Pers Saadi

15. Setbacks and hardships are good opportunities to exercise your will and increase your abilities. ——Zou Taofen

16. The spirit of Shi Wuyu is not afraid of danger and hardship. ——Li Bai

17. Nothing is difficult in the world, as long as there are people who are willing. Nothing in the world is easy except for careless people. ——Yuan Mu

18. Remember! The more serious and difficult the situation is, the more firm, active and courageous you need to be, and the more inaction the more harmful it is. ——Leo Tolstoy