A poem expressing the value of time.

1, the boundless grassland comes and goes with each season. -Bai Juyi's Farewell to Ancient Grass

2, the flowers are similar every year, and people are different every year. -Liu Xiyi "A Generation of Sad Pulsatilla"

3, teenagers are eager to learn, and an inch of time is not light. Before the sweet spring grass grows in the pond, the plane leaves in front of the steps have rustled in the autumn wind. -Zhu's "Encouraging Learning"

4. If young people don't work hard, old people will be sad. -"Han Yuefu"

5, streamer is easy to throw people, red cherry, green banana. -Jie Jiang's "A Piece of Plum"

6, days are easy to thank, summer is difficult to stay. -Wang Bo

7, tomorrow is tomorrow, how many tomorrows, I will wait for tomorrow, everything is in vain. -Wen Jia

8. I advise you not to cherish the golden clothes and jade food, and advise you to cherish your youth. You can fold flowers straight, don't wait until there are no flowers. -"Witch"

9. The light at night is a five-watch chicken, which is when men study. Black hair doesn't know how to study early, and white hair regrets studying late. -Yan Zhenqing's Persuasion

10, life geometry? Die like a sunrise. When there is no weight, China is not in the sun. -Lu Ji's "Short Songs"

1 1, don't be idle, this boy's head is empty. -Yue Fei's "Man Jiang Hong"

12, the old things in the world are half crows and half horseshoes. -Wang Jiuling's "Hotel"

13, the fair world has only white hair, and the nobility has never let it go. -Du Mu's "Send a Hermit"

14, the prime of life no longer comes, and it is very uncomfortable to wake up in the morning. -Tao Yuanming's Miscellaneous Poems