He insisted that 'the compassion and relief of the real Buddha Shakyamuni in Honmonjuryo-hon in Hokke-kyo Sutra' was the reason why the teaching of Nichiren, the founder of sect, (Daimokushu) was superior than other creeds, which was argued in the important dialogue of Nichiin, the master of his master (Nichijo) between the priest of the Tendai sect at the Palace of Kamakura bakufu (source: 'Kamakura denchu mondo').
師（日静）の師にあたる日印が鎌倉幕府殿中にて大ヤマであったとされる天台僧との問答で論破した（出典、「鎌倉殿中問答」）点である「法華経本門寿量品の本仏釈迦如来の慈悲救済」こそ宗祖日蓮の教え（題目宗）が他の教義よりも勝っている箇所であるとする。