A commentary of this kind had been already written in "Muryo-jukyo Ubadaisha Ganshoge-chu" (Commentary on [Vasubandhu's] Upadeśa on the Sūtra of Immeasurable Life) (also known as Ojoronchu (Commentary on Treatise on Rebirth)) by Donran.
このような解釈は、曇鸞が『無量寿経優婆提舎願生偈註（往生論註）』の中ですでに論じられている。