In the era of Emperor Wu (Han), To Chujo (Dong Zhongshu), who was praised as the man of intelligent and good-natured literature, made a proposal to establish Gokyo hakase (the expert of Five Classics) for Ju-gaku, treating it as a legitimate learning.
武帝(漢)の時、賢良文学の士で挙げられた董仲舒は儒学を正統の学問として五経博士を設置することを献策した。