Aṇḍajadānūpakārasuttadasaka
Ekamantaṁ nisinno kho so bhikkhu bhagavantaṁ etadavoca: “ko nu kho, bhante, hetu, ko paccayo, yena midhekacco kāyassa bhedā paraṁ maraṇā aṇḍajānaṁ nāgānaṁ sahabyataṁ upapajjatī”ti?
Ten Discourses On How Giving Helps to Become Egg-Born
Seated to one side, that mendicant said to the Buddha: “Sir, what is the cause, what is the reason why someone, when their body breaks up, after death, is reborn in the company of the egg-born dragons?”