Visākhāsutta
Ekaṁ samayaṁ bhagavā sāvatthiyaṁ viharati pubbārāme migāramātupāsāde. Atha kho visākhā migāramātā yena bhagavā tenupasaṅkami; upasaṅkamitvā bhagavantaṁ abhivādetvā ekamantaṁ nisīdi. Ekamantaṁ nisinnaṁ kho visākhaṁ migāramātaraṁ bhagavā etadavoca: “aṭṭhaṅgasamannāgato kho, visākhe, uposatho upavuttho mahapphalo hoti mahānisaṁso mahājutiko mahāvipphāro. Kathaṁ upavuttho ca, visākhe, aṭṭhaṅgasamannāgato uposatho mahapphalo hoti mahānisaṁso mahājutiko mahāvipphāro? Idha, visākhe, ariyasāvako iti paṭisañcikkhati: ‘yāvajīvaṁ arahanto pāṇātipātaṁ pahāya pāṇātipātā paṭiviratā nihitadaṇḍā nihitasatthā lajjī dayāpannā, sabbapāṇabhūtahitānukampino viharanti. Ahampajja imañca rattiṁ imañca divasaṁ pāṇātipātaṁ pahāya pāṇātipātā paṭivirato nihitadaṇḍo nihitasattho lajjī dayāpanno, sabbapāṇabhūtahitānukampī viharāmi. Imināpaṅgena arahataṁ anukaromi, uposatho ca me upavuttho bhavissatī’ti. Iminā paṭhamena aṅgena samannāgato hoti …pe….
With Visākhā on the Sabbath
At one time the Buddha was staying near Sāvatthī in the stilt longhouse of Migāra’s mother in the Eastern Monastery. Then Visākhā, Migāra’s mother, went up to the Buddha, bowed, and sat down to one side. The Buddha said to her: “Visākhā, the observance of the sabbath with its eight factors is very fruitful and beneficial and brilliant and bountiful. And how should it be observed? It’s when a noble disciple reflects: ‘As long as they live, the perfected ones give up killing living creatures, renouncing the rod and the sword. They are scrupulous and kind, and live full of sympathy for all living beings. I, too, for this day and night will give up killing living creatures, renouncing the rod and the sword. I’ll be scrupulous and kind, and live full of sympathy for all living beings. I will observe the sabbath by doing as the perfected ones do in this respect.’ This is its first factor. …