1. If young people don’t work hard, old people will be sad. ——"Collection of Yuefu Poems·Long Song Xing"

2. An inch of time is worth an inch of gold, but an inch of gold cannot buy an inch of time. ——"Zengguang Xianwen"

3. The lights are on at three o'clock and the chickens are on at five o'clock, which is when men are studying. It is better to study early if you have black hair, and regret studying later if you have gray hair. ——Yan Zhenqing

4. Tomorrow comes tomorrow, and there are so many tomorrows. If I live and wait for tomorrow, everything will be wasted. ——Wen Jia's "Song of Tomorrow"

5. The situation does not wait for others, and the old man's hair becomes silk. ——Li Bai

6. Don’t wait for a moment, because the young man’s head will turn gray, and there will be no regrets! ——Yue Fei

7. If there is a gap between heaven and earth in life, it will happen suddenly. ——Zhuangzi

Tomorrow comes tomorrow, there are so many tomorrows, I live to wait for tomorrow, everything will be wasted