In which episode did Zhao Baishi say a poem about studying hard in Hanchuang?

1. The edge of a sword comes from sharpening, and the fragrance of plum blossoms comes from the bitter cold.

2. When you are reading, you will not realize that spring is already deep. Every inch of time is worth an inch of gold.

3. A young man’s hard work will eventually lead to success, so don’t be lazy towards the bright future.

4. Du's poems and Han's collection of poems are as sad as reading them, just like Magu scratching an itch.

5. Reading on a cold night forgets sleep, and the incense burner has no smoke.

6. Sell the three acres of land next to the house and build a bed of books under the window.

7. Mechanics is like hard work, and you know yourself if you are diligent and lazy.

8. Reading makes me happy while I am poor, and I am busy searching for sentences in silence.

9. When the book is used, you will regret it less. You will not know the difficulties until you have experienced them.

10. Read old books without getting tired of reading them a hundred times. If you read them carefully, you will know yourself.

11. After forty years of studying law and reading, there is a blue sky above the black gauze.

12. If you are young, you must study hard and write articles to establish yourself.

13. If I had known that I was going to study today, I would have regretted my actions.

14. White hair in the window encourages melancholy, and gray hair under the candle encourages reading.

15. Tanaka studied and admired Yao and Shun, and waited for peace in the world.

16. The post pavilion is secluded enough for fishing, and the rocks are bright enough for reading.

17. After ten years of sharpening a sword, the frost blade has never been tested.

18. Wealth must come from hard work, and a man must read five cars of books.