Samyuktagama (Sanskrit fragments) 276.12

276.12

爾時，世尊告難陀言：「汝當教授諸比丘尼，為諸比丘尼說法。所以者何？我自教授比丘尼，汝亦應爾；我為比丘尼說法，汝亦應爾。」

The Bhagavān told Nanda, “You should instruct the nuns and teach the Dharma for them. Why is that? I instructed the nuns myself, and you should do the same as well. I taught the Dharma for the nuns, and you should do the same as well.”