1. Isn’t it true that one should learn and practice it from time to time? Isn’t it great to have friends from far away? Isn't it a gentleman if a person doesn't know something but doesn't get upset?

Explanation Confucius said: "Isn't it very pleasant to have learned and review and practice from time to time? Isn't it very pleasant to have like-minded people coming from afar? I don't resent people who don't understand me. , Angry, isn’t he also a virtuous gentleman? ”

2. A gentleman who has nothing to eat and seek to be satisfied, and who has no desire to live in peace, who is sensitive to things and careful in his words, is Taoist and upright, and he can be said to be eager to learn.

Explain that a gentleman does not require food to be full, nor does residence require comfort. He is diligent and agile in his work, but cautious in his words.

3. Knowing is knowing, not knowing is not knowing, this is knowing.

Explain that knowing means knowing, and not knowing means not knowing. This is smart.

4． If you learn without thinking, you will be in vain; if you think without learning, you will be in danger.

Explain that if you only study without thinking, you will feel confused and at a loss; if you just think without studying, you will be confused and gain nothing.

5. If you review the past and learn the new, you can become a teacher. (Reviewing the past and learning the new)

Explanation: Reviewing the knowledge you have learned can gain new insights and experiences. With this, you can become a teacher.

6． When I was fifteen, I was determined to learn; when I was thirty, I was established; when I was forty, I was not confused; when I was fifty, I knew the destiny; when I was sixty, my ears were attuned; when I was seventy, I followed my heart's desires without going beyond the limits.

Explain that I started to be interested in learning at the age of fifteen, I can do things independently at the age of thirty, I can not be confused (when encountering problems) at the age of forty, and I know which things cannot be controlled by human beings at the age of fifty. , When you are sixty, you can listen to different opinions, and when you are seventy, you can do things as you please without going beyond the rules.

7. If you hear the Tao in the morning, you will die in the evening.

Explain that it is okay to understand the truth in the morning and die in the evening.

8． If you are not angry, you will not be enlightened; if you are not angry, you will not be angry.

Don’t enlighten him if you can’t explain it to the extent that he tries hard to understand but can’t get it; don’t enlighten him if he doesn’t understand it in his heart but can’t express it perfectly.

9． If you work hard and forget to eat, if you are happy and forget your worries, you don’t know that old age is coming.

Explain that when you are working hard, you forget to eat, when you are happy you forget about sorrow, and you don’t care about getting old, that’s all. ”

10. People with lofty ideals and benevolence do not seek life to harm benevolence, but kill to achieve benevolence. Sacrifice one's own life to achieve benevolence.

11. Among the three people, I must choose the good ones and follow them, and explain the bad ones. When I travel with many people, there must be someone who can be my teacher. I choose his good aspects to learn from him, and when I see his bad aspects, I correct my own shortcomings.