1. Youth cannot be retained and gray hair will occur naturally. ——Du Mu

2. Youth is the only thing worth having. ——Wilde

3. Days never pass by in vain, and youth never comes again. ——Lin Kuan

4. Youth is wasted and nothing can be achieved. What sorrow can be gained by having a white title. —— Quan Dexing

5. Late youth is lasting youth. ——Nietzsche

6. Youth will never come back, and career will never be successful. ——Browning

7. Youth is something that cannot be hidden forever. ——Shakespeare

8. Don’t hesitate to spend your youth, enjoy yourself beyond what you want. ——Wen Tianxiang

9. Don’t say goodbye when youth goes away, don’t wave when old age comes. ——Russian proverb

10. The dream of youth is a true projection of the future. ——UK

11. Youth is the most beautiful period of life. ——Hegel

12. Youth is the flower of life and the natural expression of life. ——Daisaku Ikeda

13. Youth is wonderful; squandering youth is a crime. ——Bernard Shaw

14. The so-called youth is psychological youth. ——Konosuke Matsushita

15. Youth is happy because it has a future. ——Gogol

16. A young and lively heart will never linger in sorrow. ——Bing Xin

17. Some people experience their youth for the first time in old age. ——Paul

18. Youth is a raw material that must be shaped sooner or later. ——Shakespeare

19. The source of river water has been there for thousands of years, but youth will never return. ——Uygur proverb

20. The dawn of life is paradise, and youth is the real paradise. ——Wordsworth

21. Youth is a kind of continuous intoxication and a fever of reason. ——La Rochefoucauld