長阿含經 2.p70

2.p70

The Bhagavān then toured Vṛji until he reached Kuṭigrāmaka. There, he addressed the monks while they were in a grove: “There are four profound principles: First is the noble precepts. Second is the noble samādhi. Third is the noble wisdom. Fourth is the noble liberation. These principles are sublime and difficult to understand. Because you and I didn’t comprehend them, we’ve been in birth and death for a long time, cycling around endlessly.”