Explanation: Isn't it a pleasant thing for us to learn as much as possible about everything in the world and apply and practice it in our daily life? Isn't it gratifying to have friends from afar (to learn from each other)? I don't complain that others don't understand me. I am a gentleman, too!
2. A gentleman is hungry, quiet, sensitive to things and cautious in speaking, which can be said to be studious.
Explanation: A moral and learned person does not covet the satisfaction of food and the comfort of the room (he does not focus on food and shelter), but strives to be diligent and prudent and ask for advice from moral and learned people. By doing so, he can be said to be a diligent and studious person.
3. Knowing is knowing, not knowing is not knowing, and knowing is also.
Explanation: knowing means knowing, and not knowing means not knowing. This is true knowledge.
Learning without thinking is useless, thinking without learning is dangerous.
Explanation: If you only read and don't think, you will feel confused and get nothing; If you just dream and don't study hard, you will be mentally exhausted and get nothing.
5. Review the past and learn the new, and you can be a teacher. (Review the past and learn the new)
Description: You can learn new things by reviewing old knowledge, and you can be a teacher with this.
6. Nine times out of ten, you are determined to learn, stand at 30, be puzzled at 40, know your destiny at 50, listen at 60, and act at 70 without overstepping the bounds.
Explanation: I started studying at the age of fifteen, and I can stand on the society at the age of thirty. At the age of forty, I was sensible, so I stopped thinking about things when they happened. At the age of fifty, I learned the truth of fate. At the age of sixty, I was able to listen to different opinions. At the age of seventy, I am free to do whatever I want without going beyond the rules.