Allusions source:

Xie An, a famous Jin man, talked about the meaning of paper with his children on a cold snowy day. Soon, it snowed heavily, and the guardian said happily, "What kind of snow is this?" ? "Xie Lang, his brother's eldest son, said," The air in the air is almost comparable. "."Brother and daughter said, "If the catkins were not caused by the wind." Imperial guards laughed.

On a cold snowy day, Dr. Xie brought his family together to talk about poetry and papers with his sons and nephews. Suddenly, it snowed heavily, and the teacher said happily, "What is this heavy snow like?" Hu Er, his brother's eldest son, said, "It's almost like sprinkling salt in the air." Xie Daowen said: "It is better to make style than to blow catkins all over the sky." A teacher smiled happily.