The limitation of this famous saying is that it only emphasizes accumulation, perseverance and concentration, and only emphasizes knowing and doing without mistakes, but it does not emphasize the need to innovate, invent and develop on the basis of critical inheritance. .

"Encouraging Learning" is the opening chapter of "Xunzi". It is a prose that discusses the importance of learning and persuades people to study with the correct purpose, attitude and method. This is a very rational text, but if it is not well controlled, it can easily become boring and monotonous. The image of this article is fresh and popular, and it has been read by people for hundreds of years.