Discourse on the Sūtra of Eternal Life And Gāthā of Aspiration to Be Born in the Pure Land Composed by Bodhisattva Vasubandhu (India, ca. 400 C.E.). The Bodhisattva, by entering the four types of Gates, perfects the self-benefiting practices. The Bodhisattva, by departing through the fifth Gate, perfects the practices of benefiting others through the transference of merits. The Bodhisattva will accomplish self-benefit and benefiting-others