And, everywhere in its sutra, Nehan-gyo preached that it was necessary because wicked Buddhist priests may appear in the future to preach that Nyorai (Buddha) is no longer existing after his death.
そして、「未来の世に、如来は入滅して既にこの世にいないと説く悪比丘が現れるために、この涅槃経を説く」と随所に説いている。