Zhu: reading, starting reading, unknown doubt; Secondly, there is a growing suspicion; In the middle, it is doubtful. After that, the doubts are gradually released, even integrated, and there is no doubt, which is the beginning of learning.

Xie: After studying in thousands of books, you will get rich without a master, and it will take a lot of effort to spend money. Reading is not as interesting as returning books, but more unkind to guests.

Gu Xiancheng: Wind, rain, reading sound, sound in the ear; Family affairs, state affairs and everything in the world care about everything. The sound of wind and rain, the sound of reading, the sound of hearing; Family affairs, state affairs and world affairs are all concerned.

The most enjoyable thing is reading, and the most important thing is to be a godson.