At the beginning of life, human nature is good and similar, far from learning from each other. If you don't teach, it is natural and moving, and the way of teaching is expensive. Yesterday, in Meng Mu, I chose my neighbor, but I didn't learn it, so I broke the loom. Dou Yanshan, an upright man, taught five sons and became famous. If the son doesn't teach, the father is guilty, the teacher is lazy. It is not appropriate not to learn. What can I do if I don't learn? Jade is not cut, not a tool, and people don't know righteousness without learning. Full-text reading of three-character classics