Describe a poem that is read carefully.

There is law in Shushan, but there is no limit to learning in the sea. -Han Yu

Industry is good at diligence, play is useless, and what you do is destroyed by thinking. -Han Yu

The edge of the sword comes from sharpening, and the fragrance of plum blossoms comes from bitter cold. -Lu you

There is still a long way to go in Xiu Yuan, and I will go up and down for it. -Qu Yuan's Li Sao.

If young people don't work hard, old people will be sad.

The old horse crouches, aiming at thousands of miles; Martyrs are full of courage in their twilight years.

A man should study. Black hair doesn't know how to study hard early, but regrets it later. -Yan Zhenqing

In the book, people are as affectionate as ever, and every blind date is a mixture of sadness and joy in the morning. -Yu Qian

Try to know all the words in the world and aspire to read all the books in the world. -Su Shi

Birds flap their wings before flying high, and people learn before trying to make progress. Li Kuchan

You never get tired of reading old books, but you never know yourself until you read them carefully. -Su Shi

Determined to think about the true character, you need to study hard. -Ruan Yuan

Birds flap their wings before flying high, and people learn before trying to make progress. Li Kuchan

When the book is used, I hate it less. It's not difficult. Let's talk about it later. -Lu you

Since ancient times, learning to be an excellent official has never been perfect for young people's kung fu. What you get on paper is shallow after all, and you never know how to do it. -Lu you

Reading is in a hurry, but swimming is interesting. -Lu Jiuyuan

Don't be idle, it's white and sad. -Yue Fei