A poem describing the passage of time and youth.

1. where, before me, are the ages that have gone?, and where, behind me, are the coming generations?, I think of heaven and earth, without limit, without end and and I am all alone and my tears fall down. -Chen Ziang's "on a Gate-Tower at Youzhou" 2. Encourage in time, and time waits for no one. -Tao Yuanming's "Miscellaneous Poems" 3. The shadow of the clouds is long, and how many years does it change? Where is the emperor in the pavilion today? The Yangtze River flows freely outside the sill. -Wang Bo's "Poems of Teng Wangge" 4. If the prime of life no longer comes, it will be difficult to get up in the morning. -Tao Yuanming's "Miscellaneous Poems" 5. What makes people old in the world is half a chicken and half a horseshoe. -Wang Jiuling's "The Hotel" 6, streamer is easy to throw people, red cherry, green banana. -Jie Jiang's "A Prune of Plums" 7. Flowers have a reopening day, and people are no longer young. -Dou E's "Dou E's" 8. There is only white hair in the fair world, and the nobles have never spared. -Du Mu's "Send the hermit a must" 9. The night lights are five more chickens, which is when men are studying. Teenagers only know play, do not know to study well, to the old time regret when they are young, why don't know to study hard. -Yan Zhenqing's "Encouraging Learning" 1, 3 fame dust and soil, 8, miles of clouds and months. Don't be idle, it's white and sad. -Yue Fei's "Man Jiang Hong"