1. The lights are on at three o'clock and the chicken is on at five o'clock. It's when men are studying. Black-haired people don't know how to study early, and white-haired people regret studying late. ——Yan Zhenqing

2. Youth is like gold. Whatever you want to do, you can become. ——Gorky

3. There is no way to make the time ring strike the past time for me. ——Byron

4. Of all criticisms, the greatest, most correct, and most genius is time. ——Belinsky

5. There is no misfortune that can be compared with lost time. ——Turgenev

6. A nation without heroes is unfortunate; a nation with heroes but does not know how to respect them is sad. ——Yu Dafu

7. The fastest and slowest thing in the world, the longest and shortest thing, the most ordinary thing but the most precious thing, the most easily ignored thing, and the most regrettable thing is time. ——Golky

8. An inch of time is worth an inch of gold, but an inch of gold cannot buy an inch of time.

9. Time is life. Wasting other people's time for no reason is actually tantamount to seeking wealth and killing. ——Lu Xun

10. We should observe carefully in order to understand; we should work hard to understand in order to act. ——Romain Rolland

11. There is a difficult problem in life, that is, how to make one inch of time equal to one inch of life.

12. Procrastination is wasted, there is not much time to come, twenty beauties, please come and kiss me, the grass is withered and the poplars are withered, youth is easy to pass. ——British playwright Shakespeare

13. Treat every day of your life as your last day. ——Helen Keller

14. Sweeping the floor may hurt the lives of ants, but cherish moths and gauze lamps.

15. There are three paces of time: the future arrives belatedly, the present flies like an arrow, and the past stands still forever. ——Schiller

16. Those who forget today will be forgotten tomorrow. ——Goethe

17. Wasting time is a great sin. ——Rousseau

18. All savings, in the final analysis, boil down to the saving of time. ——Marx

19. The use of time is an extremely advanced law. ——Engels

20. There is a long time between today and tomorrow; while you still have energy, learn to do things quickly. ——Goethe