The famous sayings about self-confidence and self-improvement are as follows:

1. When the sky is strong, a gentleman will strive for self-improvement; --The Book of Changes

2. Without wind and rain, it cannot grow into a big tree; without being tempered, it is difficult to become steel. -- Lei Feng

3. The glory of life lies not in never giving up, but in being able to rise again and again. --Napoleon

4. Self-improvement, like honor, is an island without beaches. --Napoleon

5. My highest principle is: never give in no matter what difficulties. --Madame Curie

6. If there is a will, things will turn into ruins. A hundred and two Qin passes will eventually belong to Chu. The painstaking efforts of man and nature will pay off. Three thousand Yue Jia can swallow Wu. --Pu Songling

7. Don't betray for the sake of poverty, and don't change your ambitions for the sake of humbleness. --Huan Kuan

8. The forbidden orchid is born in the deep forest. It does not lose its fragrance because there is no one around. A gentleman cultivates virtue and does not betray poverty because of poverty. -- Zi Lu

9. It is better to have fought hard and failed than not to have fought at all. -- Clough

10. Life is like an ocean. Only those with a strong will can reach the other side. -- Ma Zaisi

11. Self-esteem is the foundation of a person's moral character. If self-respect is lost, a person's moral character will disintegrate. --Mrs. Sterna

12. Self-esteem and self-love, as a driving force for perfection, are the source of all great undertakings. --Turgenev

13. A person should respect himself and consider himself worthy of the most noble things. --Hegel

14. Self-esteem is a virtue and a driving force for a person's continuous upward development. --Bim