A loving mother makes clothes for her long-distance son with a needle and thread in her hand. Before leaving, he sewed a needle tightly for fear that his son would not come back because he was wandering outside. Who dares to say that children's weak filial piety, like grass, can repay the kindness of loving mothers, like spring glow?

"But how much love does an inch of grass have, and you got three spring rays?" This famous sentence through the ages shows the greatness of maternal love. Combined with the situation in Meng Jiao that year, she was admitted to Jinshi at the age of 50, and became a county magistrate in Liyang, ending her long-term wandering life and living alone with her mother. According to the average age of people at that time, that is, about 60 years old, even if his mother got married early, she would be about 70 years old. In just a few years, it can be said that "the tree wants to be quiet but the wind does not stop, and the child wants to raise it without waiting for his relatives." The mother's fearless dedication to her son in the front also paved the way for the back. The whole poem is simple in picture, simple in language, profound in connotation and touching, so it can be widely known and spread through the ages.