Ovādasutta
Ekaṁ samayaṁ bhagavā vesāliyaṁ viharati mahāvane kūṭāgārasālāyaṁ. Atha kho āyasmā ānando yena bhagavā tenupasaṅkami; upasaṅkamitvā bhagavantaṁ abhivādetvā ekamantaṁ nisīdi. Ekamantaṁ nisinno kho āyasmā ānando bhagavantaṁ etadavoca: “katihi nu kho, bhante, dhammehi samannāgato bhikkhu bhikkhunovādako sammannitabbo”ti?
An Adviser for Nuns
At one time the Buddha was staying near Vesālī, at the Great Wood, in the hall with the peaked roof. Then Venerable Ānanda went up to the Buddha, bowed, sat down to one side, and said to him: “Sir, how many qualities should a monk have to be deemed an adviser for nuns?”