1. If young people don’t work hard, old people will be sad. ——Han Dynasty·Anonymous "Han Yuefu·Chang Ge Xing"

Interpretation: It means that if you don't work hard when you are young and strong, it will be useless to be sad when you are old.

2. Don’t wait and see. The white head of a young man is empty and sad. —— Yue Fei of the Song Dynasty, "The River is Red"

Interpretation: Don't waste your years. When your hair turns gray, you can only regret and mourn alone.

3. The lights are on at three and the chicken is on at five, which is when men are studying. Black-haired people don't know how to study diligently early, and white-haired people regret studying late. ——Yan Zhenqing's "Poem to Encourage Learning" in the Tang Dynasty

Interpretation: Every day from midnight to the time when the rooster crows, it is the best time for boys to study. In their youth, they must know how to study hard and be diligent. study. But if you only know how to play and don't know how to study hard, you will regret when you are old that you didn't know how to study hard when you were young.

4. Without learning, there is no way to develop talents; without ambition, there is no way to learn - "Book of Commandments" by Zhuge Liang of the Three Kingdoms

Interpretation: It means that without learning, it is difficult to increase talents. It is difficult to succeed in learning without determination.

5. If a bird wants to fly high, it first flutters its wings; if a man wants to make progress, he first studies - Modern·Li Kuchan

Interpretation: If a bird wants to spread its wings and fly high, it must first learn how to vibrate itself wings; if people want to make progress, they must first enrich their knowledge.