1. The appearance is sharp but the inside is soft, just like the villains, they are like thieves who pass through the nest! Translation: A villain who looks stern on the outside but is weak on the inside is like a thief who digs holes in the wall.

2. To know something is to know it, and to know something is to know it, and to know it is to know it. Translation: If you know, you know. If you don’t know, you should say you don’t know. Don’t cheat. This is wise behavior.

3. Isn’t it a pleasure to learn and practice from time to time? Translation: Isn’t it a happy thing to review the knowledge you have learned at the appropriate time and gain a new understanding of the knowledge?

4. The book has broken into thousands of volumes, and the writing is like a spirit. Translation: Read a lot and you will feel divine help when writing.

5. A day without books means everything is in ruins. Translation: Reading must be persevering and cannot be interrupted for a day.