While maintaining this lifestyle, academically he repeatedly read texts such as "Tannisho" (Lamentations of Divergences) and while practicing self-discipline, he introduced his "being philosophical," which was the area of his specialty, and wrote "Shukyo Tetsugaku Gaikotsu" (The Skeleton of a Philosophy of Religion) and "Tarikimon Tetsugaku Gaikotsu" (The Skeleton of a Philosophy of Gate of the Other Power).
そんな生活を続ける中、学問の面でも『歎異抄』などをよく読み、その自戒生活の実践の中で得意の哲学的を駆使して『宗教哲学骸骨』『他力門哲学骸骨』を執筆する。