諸經要集 12.50

12.50

Furthermore, the Mahāparinirvāṇa-sūtra says: 'The Buddha-nature of sentient beings resides within the five aggregates. If one destroys the five aggregates, it is called killing living beings. If one kills living beings, one will immediately fall into the evil destinies. Relying on this saṃsāra, there are therefore the four modes of birth: born relying on a shell is called egg-born; emerging from being enclosed is called womb-born; arising conditioned by moisture is called moisture-born; suddenly appearing is called apparitionally born. What sentient beings encompass does not exceed these four.'