The Long Āgama Sūtra 2.52

2.52

爾時，世尊從跋祇遊行至拘利村，在一林下告諸比丘：「有四深法：一曰聖戒，二曰聖定，三曰聖慧，四曰聖解脫。此法微妙，難可解知，我及汝等，不曉了故，久在生死，流轉無窮。」爾時，世尊觀此義已，即說頌曰：

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.”

After contemplating the meaning of this, the Bhagavān spoke in verse: