During the Three Kingdoms period, Dong Yu of Ren Wei often taught students to read in the "third watch" time, saying that "those in winter are at leisure, those in the night are at leisure and those in the rain are at leisure". Later, the word "Yu" was dug out and made into the word "Wei". Since then, the bookstore has changed from "Sanyu" to "Sanwei". 19811kloc-0/0 on October 7th, I felt that I published an article in People's Daily explaining "the three flavors of books", saying that "I found the source from the fourth volume of Notes on Poetry". Li Shu's "Handan Bibliography" has a cloud: the taste of poetry and books is too strong; History is a fold; Children are acylases; It is for the three flavors of the book. "
People who study in private schools in China believe in the life belief of "self-cultivation, keeping the family in order, governing the country and leveling the world", take "three poems and many books" as a life full of aesthetic interest, and take the lingering scholarly atmosphere in plaques, couplets and deer pictures as a distant interest.