Recommended quotes about the passage of time are as follows:

1. Time flies like an arrow, and the sun and the moon fly by. ——"Zengguang Xianwen"

2. Don't wait for a while. The young man's head will turn gray, and he will feel empty and sad. ——Yue Fei's "Man Jiang Hong · Writings of Feelings"

3. The prime years will never come again, and it will be difficult to morning again. ——Tao Yuanming's "Miscellaneous Poems: Life Without Roots"

4. Time waits for no one, and a hundred years old never comes. ——Tao Yuanming's "Miscellaneous Poems: Recalling My Youth"

5. Time flies, and the time flies by. ——Zhuangzi's "Zhibeiyou"

6. When the water falls and the flowers fall, spring is gone, and the sky and the earth are gone. ——Li Yu "Langtaosha·The past is only sad"

7. Time flies, and the world is like a dream. ——Su Shi's "Red Cliff Ode"

8. Time is fleeting, how can I wait for it? ——Lu You's "The Hairpin Phoenix·The World's Love"

9. Time is like water. In a hurry, yesterday has become history. ——Li Bai's "Jinjinjiu"

10. It's late at night, and the sky is full of clouds. ——Liu Yuxi's "Instructions on Rewarding Lotte and Ying the Elderly"

11. Time is ruthless and life is like a dream. No matter how much I miss you, I can only keep it deep in my heart. ——Bai Juyi's "Song of Everlasting Sorrow"

12. Time flies and must be cherished, and the wind and rain must be kept diligently. ——Cao Xueqin's "A Dream of Red Mansions"

13. Time flies by. The prosperity is gone, and there are only memories. ——Li Qingzhao's "Like a Dream Ling·Chang Ji Xiting Sunset"

14. Time flies, and the years are like a dream. The youth was as bright as fireworks. ——Tang Wan's "The Hairpin-headed Phoenix·The World's Love"

15. Time is like water, quiet and silent. Looking back on the past, I am filled with emotion. ——Du Fu's "Ascend the High"