1. If a young man doesn't work hard, the old man will be sad. -Han Yuefu's "Long Songs"

Interpretation: If you don't work hard when you are young and strong, it's useless to be sad when you are old.

2. If you have black hair, you don't know how to study hard early, and Bai Shoufang regrets studying late. -Don Yan Zhenqing's

Interpretation: I didn't know how to study hard when I was young, and I regretted studying too late when I was old. It is used to persuade young people to study hard as early as possible so as not to regret it in the future.

3. The sharp edge of the sword comes from sharpening, and the fragrance of plum blossoms comes from bitter cold. -the diligent article of "Warning the World". ?

Interpretation: The sharp blade of the sword is obtained from constant sharpening, and the fragrance of plum blossoms comes from its cold winter.

4. An inch of time is worth an inch of gold, but an inch of gold cannot buy an inch of time. ? -

Interpretation of Augmented Xianwen: An inch of time is as expensive as an inch of gold, but an inch of gold can hardly buy an inch of time.

5、? Learning without thinking is useless, thinking without learning is dangerous. -Confucius's "The Analects of Confucius is Politics" in the Spring and Autumn Period?

Interpretation: If you read blindly without thinking, you will not be able to use the knowledge of books reasonably and effectively because you can't deeply understand the meaning of books, and even get confused. And if you just dream and don't really study and study, you will eventually build a tower on the sand and get nothing.

6. Indulge in diligence and waste in playfulness, and succeed in thinking and ruin in following —— Interpretation of Tang Hanyu's

: Studies are specialized because of diligence, but abandoned because of playfulness; Virtue is achieved by independent thinking and corrupted by conformity.