1. Only pain can bring happiness. -Beethoven

2. Suffering is the teacher of life. -Balzac

3. You are not afraid of difficulties, and difficulties are afraid of you. -Britain

4, through suffering, to joy. -Beethoven

5. Those who have never ruled the country would rather not forget fishing firewood. —— Xie Zhen

6. The stone is used as a tool, and the blunt is turned into profit. -Liu Yuxi

7. Difficulties are a strict mentor. -baker

8. I want to hold my destiny by the throat. -Beethoven

9. Disaster itself is a good medicine. -Cooper

1. Difficulties are teachers who are extremely solemn. -Burke

11. Perseverance is the shortcut to your destination. -anonymous

12. Your husband is persistent, and success or failure is not enough. -Lu you

13. Nothing is difficult in the world, as long as you are willing to climb.

14. If you have no feathers, you can't be afraid of danger. -Li Bai.