Black-haired people don’t know how to study hard, but white-haired people regret studying late.

If a young man does not work hard, the old man will be miserable.

In life, if a white horse passes through the gap between heaven and earth, it will happen suddenly. (Zhuangzi)

The sky can be mended, the sea can be filled, and the southern mountains can be moved. The sun and the moon have passed and cannot be traced back. (Zeng Guofan)

Do you love life? Then don't waste time, because time is the stuff of life. (Franklin)

Wasted time equals wasted life. (Kawabata Yasunari)

Those who abandon time, time also abandons him. (Shakespeare)

Time is life, time is speed, time is power. (Guo Moruo)

Time is like water in a sponge, as long as you are willing to squeeze, there is always some. (Lu Xun)

Time is made up of minutes and seconds. Only those who are good at using sporadic time will achieve greater results. (Hua Luogeng)

Among all critics, the greatest, most correct, and most genius is time. (Belinsky)

Find time to consider whether what you did during the day is a positive or negative sign. (Dimitrov)

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)

The prime of life will never come again, and it will be difficult to see morning again. Be encouraged in time, time waits for no one. (Tao Yuanming)

Tomorrow comes tomorrow, and there are so many tomorrows. If I live to wait for tomorrow, everything will be wasted. If the world is tired of tomorrow, spring will pass and autumn will come, and old age will come. In the morning, you can see the water flowing eastward, and in the evening, you can see the sun setting in the west. How many tomorrows can there be in a hundred years? Please listen to my song of tomorrow. (Wen Jia's "Song of Tomorrow")

Today is the same as today, how little today is! If you don’t do it today, when will this happen? It is a pity that today is not the day of a hundred years of life! If Yangu waits for the arrival of the Ming Dynasty, there will be Ming Dynasty affairs in the Ming Dynasty. I will compose today's poem for you. Please start working hard today. (Wen Jia's "Today's Poems")

5. The prime years will never come again, and it will be difficult to wake up again in one day. Be encouraged in time, time waits for no one. (Tao Yuanming)

6. If you have black hair, it is better to study hard early, and if you have gray hair, you will regret studying late.

7. The more a person knows the value of time, the more he will feel the pain of losing time.

8. Saving time means making a person’s limited life more effective, which is equivalent to extending a person’s life span.

9. Don’t miss the things of the day in the morning, and don’t miss the things of a lifetime when you were young.

10. Cherishing time can make life more valuable.

11. Don’t wait any longer, as your young head turns gray and you feel so sad!

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

13. Reasonable arrangement of time is equivalent to saving time.

19. Passing water will never return, and time will never return.

20. Seize today and rely as little as possible on tomorrow.

21. The most precious thing is today, and the easiest thing to lose is today.

22. The prime years will never come again, and it is difficult to come back in the morning. In time, you should encourage yourself. Time waits for no one.

23. When the night falls, no one can keep a corner of the sunshine.

24. Time is a file without sound.

25. A mediocre person’s troubles will be a waste of time, but a capable person’s troubles will make the best use of time.

26. Don't waste time, do something useful every moment, and quit all unnecessary behaviors.