Meng Mu moved three times, that is, Monk's mother moved many times to choose a good environment to educate her children. The San Zi Jing said: "In the past, Meng Mu chose a neighbor." Meng Mu's three movements came from this. Meng Mu took great pains to give children a really good educational environment. She moved to three places, and now it is sometimes used to refer to her parents' good intentions.

The story of finding carp by lying on the ice originated from Gan Bao's Searching for the Gods, which tells the story of Wang Xiang, a man from A Jin, fishing for his stepmother in winter, and is regarded as a classic of filial piety by later generations. This is also the case in the Book of Jin edited by Fang and others, and it is also the case in the Twenty-four Filial Pieties of the Yuan Dynasty by Guo.

Lu Yishun's mother is an allusion in The Analects of Confucius Advanced. The main content is that Zhou Min died early after losing his biological mother, and his father married a second wife and gave birth to two sons. His stepmother often abuses him. In winter, the two younger brothers wore cotton winter clothes, but gave him a "cotton coat" made of reed flowers. One day, when my father went out, Min Min was shivering with cold while pulling a cart. He threw the rope to the ground and was reprimanded and whipped by his father. Lu Hua flew out with a crack, and his father knew that Min had been abused. Father wants to divorce his stepmother when he comes home. Shen Min knelt down and begged his father to forgive his stepmother, saying, "I am the only one who is cold when I leave my mother. My three children will be cold when I divorce my mother." Father was very moved and obeyed him. After hearing this, stepmother regretted her mistake and treated him like a 24-year-old dutiful son.

In the Tang Dynasty, there was a man named Di. His family was poor and he was diligent and studious. Later, he became prime minister. He is an upright official and a kind person, and he is respected by the government and the public. One of his colleagues, when he was sent to the frontier by a letter, his mother was seriously ill. It will be sad if she leaves like this and can't wait on her. After Ren Jie knew his painful feelings, he hereby asked the emperor to reassign others. One day, Ren Jie went out on patrol and passed by Taihang Mountain. He climbed to the top of the mountain and looked down at the clouds. He said to his entourage, "My relatives live under the white clouds." Wandering for a long time, I didn't leave, and I couldn't help but shed homesick tears. There is a poem that says: I miss you so much that I cry frequently when I climb the mountain; Being in the prime minister's country is still filial, and I am worthy of being a minister for the people.