金剛般若經疏論纂要 2.77

2.77

12. Severing the doubt that the cause of Buddhahood implies the existence of a bodhisattva. The treatise says: "If there is no bodhisattva, how did the Tathāgata Śākyamuni practice the bodhisattva path before Dīpaṅkara Buddha?" The text that severs it has four parts: first, raising the point of doubt.