To validate this point, he quoted the vow of Hozo Bosatsu (Dharmakara Bodhisattva) from "Muryojukyo Bussetsu Muryojukyo" and he noted that the birth in the Pure Land can be realized by reciting Buddha's name, and he also referred to "Amida-kyo (Amida Sutra)," which describes how the various buddhas in the ten directions praised Amitabha Buddha who accomplished the vow and became a Buddha, and he concluded that other Miscellaneous Practices are unnecessary.
その根拠としては『無量寿経仏説無量寿経』にある法蔵菩薩の誓願を引用して、称名すると往生がかなうということを示し、またその誓願を果たして仏となった阿弥陀仏を十方の諸仏も讃歎しているとある『阿弥陀経』を示し、他の雑行は不要であるとしている。