Mahāyāna Mahāparinirvāṇa Sūtra
The principal sutras on which the Shinnyo teachings are based are the "Prajñāpāramitā Sutra", the "Lotus Sutra" and the "Mahāyāna Mahāparinirvāṇa Sūtra". According to Shinnyo-en, the "Mahāparinirvāṇa Sutra" teaches four key points: