Sāvatthinidānaṃ. Atha kho aññataro bhikkhu yena bhagavā … pe … ekamantaṃ nisinno kho so bhikkhu bhagavantaṃ etadavoca: “ko nu kho, bhante, hetu, ko paccayo, yena m’idhekacce jalābujā nāgā uposathaṃ upavasanti vossaṭṭhakāyā ca bhavantī”ti? (Sabbaṃ vitthāretabbaṃ.) “Ayaṃ kho, bhikkhu, hetu, ayaṃ paccayo, yena m’idhekacce jalābujā nāgā uposathaṃ upavasanti vossaṭṭhakāyā ca bhavantī”ti.

Catutthaṃ.