1. Learning is like sailing against the current. If you don’t advance, you will retreat.

2. There is no doubt that there will be doubts in learning, and doubts will lead to progress.

3. Those who don’t know enough are eager to learn, while those who are ashamed to ask are complacent.

4. To know something is to know it, and to know something is to know it, and to know something is to know it. This is knowledge.

5. A good scholar fakes others' strengths to make up for his shortcomings.

6. Smart and eager to learn, and not ashamed to ask questions.

7. If you don’t learn enough, you are afraid of losing it.

8. If you are able to ask questions when you have doubts, you have gained half of the knowledge.