During the period when Kukai and Tofu worshipped calligraphy in China, they could view almost nothing other than inscriptions on monuments in Tang, and concerning six-dynasty style calligraphy, they could view only Huang Ting Jing by Wang Xizhi and Gakki ron also by Wang Xizhi, which included many reprints of such calligraphy.
「空海・道風の崇拝時代には唐碑以外は殆ど見る所なく、六朝書の如きは数々翻刻せる王羲之黄庭経・王羲之楽毅論等を目覩したるに過ぎざるものの如し。」