It's not good for me to study silently and never tire of learning and never tire of teaching!

Write down what you have learned silently, study hard if you are dissatisfied, and teach others not to feel tired. What have I done for myself? ) flip (what's good for me)

Confucius said, "I am wise. Ignorance is also. Someone asked me, but it was empty. I knocked at both ends, and I was exhausted.

Confucius said, "I have Zhihu? Without knowledge. A countryman asked me, I don't know what he was talking about. I just try my best to solve the problem from both positive and negative aspects. "