Didi, the godson of painting: reed. Draw and write on the ground with reeds and educate your son to read. Used to praise the mother for teaching her children well.

Source: Biography of Ouyang Xiu in Song Dynasty: "My family is poor and I would like to draw a geography book."

Monk's mother moved to Meng Mu three times to choose a good environment to educate her children.

Source: Qi's "Mencius" inscription: "Mencius was born with a gentle temperament, and was moved three times by a loving mother when he was young."

The teaching of "three movements" is a metaphor for choosing a suitable living environment to educate children.

Source: "Biography of Xiang Lienv": With a young Mencius, he first lived near the cemetery, and Mencius imitated the funeral; Later, he moved to the market, and then learned from businessmen to brag; Meng Mu moved near the school, where Mencius learned etiquette and asked to go to school.

Carve a jade without cutting it. Jade must be cut to make a tool. Metaphor means that people can achieve nothing without education and study.

Source: "Book of Rites": "Jade is uncut, abrasive, and people don't know without learning.