1, young people don't work hard, and the elderly are sad. -Han Yuefu's Long Songs in the Han Dynasty
If you don't work hard when you are young, you will only be sad when you are old.
2, teenagers are eager to learn, and an inch of time is not light. -Zhu's "Persuasion Poetry" Song Dynasty
The days of youth are easy to pass, but learning is difficult to succeed, so every inch of time cannot be easily let go.
3, mechanics, such as ploughing, diligence and self-knowledge. But if you do too many books, you will get old. -Liu Guo "Academy"
Studying hard is like plowing with your strength. You are hardworking or not, only you will know. Even if there are many kinds of books, you will eventually get familiar with them and understand them.
4. If birds want to fly high, they must flap their wings first, and people must learn first. Li Kuchan
If a bird wants to fly high, it must first learn how to flap its wings; If people want to make progress, they must first enrich their knowledge.
5, people study, such as thousands of troops. -Peng Zhaosun "Reading"
People who read too many books are like leading a hundred thousand troops.