It is said that at the Bureau of Education, he majored in Myogyo-do (the study of Confucian classics), and learned Chunqiu Zuoshi Zhuan (Master Zuo's Commentary about the Spring and Autumns), Moshi (the book of poetry in ancient china), and Shosho (classics of history).
大学での専攻は明経道で、春秋左氏伝、毛詩、尚書等を学んだと伝えられる。