The ancient poems related to youth are as follows:
1. Liu Che's "Autumn Wind Ci" wrote "You are young and old, but you are old".
2. When daylight is gone, youth comes naturally. This is from Yuan Mei's "Moss".
3. Youth must be born early, how can one grow into a young man? This comes from Meng Jiao's "Encouraging Learning".
4. Before you dare to kill someone, you must be like a hedgehog, from Li Qi's "Ancient Meanings".
5. Wealth and honor are undesirable, and people stay beautiful, from Li Bai's "Dan Ge Xing".
6. You will not gain anything in the future, you will be as peaceful as youth, from Bai Juyi's "Autumn Hibiscus".