21. Naggasikkhāpada
Tena samayena buddho bhagavā sāvatthiyaṁ viharati jetavane anāthapiṇḍikassa ārāme. Tena kho pana samayena sambahulā bhikkhuniyo aciravatiyā nadiyā vesiyāhi saddhiṁ naggā ekatitthe nahāyanti. Vesiyā tā bhikkhuniyo uppaṇḍesuṁ— “kiṁ nu kho nāma tumhākaṁ, ayye, daharānaṁ brahmacariyaṁ ciṇṇena, nanu nāma kāmā paribhuñjitabbā. Yadā jiṇṇā bhavissatha tadā brahmacariyaṁ carissatha. Evaṁ tumhākaṁ ubho atthā pariggahitā bhavissantī”ti. Bhikkhuniyo vesiyāhi uppaṇḍiyamānā maṅkū ahesuṁ. Atha kho tā bhikkhuniyo upassayaṁ gantvā bhikkhunīnaṁ etamatthaṁ ārocesuṁ. Bhikkhuniyo bhikkhūnaṁ etamatthaṁ ārocesuṁ. Bhikkhū bhagavato etamatthaṁ ārocesuṁ. Atha kho bhagavā etasmiṁ nidāne etasmiṁ pakaraṇe dhammiṁ kathaṁ katvā bhikkhū āmantesi— “tena hi, bhikkhave, bhikkhunīnaṁ sikkhāpadaṁ paññapessāmi dasa atthavase paṭicca— saṅghasuṭṭhutāya …pe… vinayānuggahāya. Evañca pana, bhikkhave, bhikkhuniyo imaṁ sikkhāpadaṁ uddisantu—
Bathing naked Origin story
At one time when the Buddha was staying at Sāvatthī in Anāthapiṇḍika’s Monastery, a number of nuns were bathing naked at a ford in the river Aciravatī together with sex workers. The sex workers teased them, “Venerables, why practice the spiritual life when you’re still young? Why not enjoy worldly pleasures? You can practice the spiritual life when you’re old. In this way you’ll get the benefits of both.” The nuns felt humiliated. They then went to the nunnery and told the nuns what had happened. The nuns told the monks, who in turn told the Buddha. Soon afterwards the Buddha gave a teaching and addressed the monks: “Well then, monks, I will lay down a training rule for the nuns for the following ten reasons: for the well-being of the Sangha … for supporting the training. And, monks, the nuns should recite this training rule like this: