In Han Yu's view, the most important task of a teacher is to "preach" that he should "learn after receiving a phone call" and "learn from others". The main purpose is to "propagate" the orthodoxy of the panic family, so he put forward the slogan of "learning from others", which runs through the whole article.
3. The slogan of "learning from the Tao" has positive significance. Tao is the commander-in-chief of knowledge, and "learning from Tao" can be learned fundamentally.