Then, there emerged a belief among the people that the reason why Shakyamuni could become Buddha after his death was not only because of his ascetic practices he made during he was alive, but also his long-lasting practices he had accomplished in his past world.
釈尊滅後、釈尊が仏になることができたのは、在世の修行のみならず、過去世における長い修行の結果であるという思想が生まれた。