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.
2. An inch of time is worth an inch of gold, but an inch of gold cannot buy an inch of time.
3. It is easier for a young person to learn than to become an old man, so no time is wasted.
4. My life has a limit, but my knowledge has no limit.
5. If young people don’t work hard, old people will be sad.
6. There are three paces of time: the future arrives belatedly, the present flies by like an arrow, and the past stands still forever.
7. Whoever is stingiest with time will be more generous with time. If you want time to live up to you, you must first live up to time. He who gives up time, time also gives up on him.
8. One difficulty in life is how to make an inch of time equal an inch of life.
9. Time is life, time is speed, and time is power.
10. The most serious waste is the waste of time.
11. Time, you get twenty-four hours every day, but one day brings wisdom and strength to the diligent people, leaving only regret to the lazy people.
12. 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.
13. Time is life. Wasting other people’s time for no reason is tantamount to seeking wealth and murder.
14. Do you love life? Then don’t waste time, because time is the material that makes up life.
15. Treat every day of your life as your last day.
16. The setting sun is boundless and the river never ends, so I have to be even more busy today.
17. There is a long time between today and tomorrow; while you still have energy, learn to do things quickly.
18. Don’t be so easy. The young man’s head turned gray and he was so sad.
19. Shoot arrows into the string at the end of the year.
20. The prime years will never come again, and the morning will never come again. It is timely to encourage oneself, time waits for no one.