1. I am sensitive and eager to learn, and I am not ashamed to ask questions
2. Isn’t it a pleasure to learn and practice from time to time?
3. If you learn without thinking, you will be in vain; if you think without learning, you will be in danger.
4. Those who know something are not as good as those who are good at it, and those who are good at it are not as good as those who are happy.
5. When three people are walking together, there must be one who is my teacher. Choose the good ones and follow them, and change the bad ones.
6. Knowing something is knowing it, and not knowing something is not knowing it. This is knowing.
7. It is inspired by "Poetry", established in etiquette, and achieved in music.
8. Scholars in ancient times were for themselves, but today’s scholars are for others. (In ancient times, scholars studied to improve their own cultivation, that is, from their inner requirements, but today's scholars often study to impress others, that is, to gain fame and reputation.
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9. Zengzi said: "I will examine myself three times every day - have I been unfaithful in my plans for others? Have I not believed in my friends? Have I not learned to pass them on?"