Gūthakhādasutta
“Idhāhaṁ, āvuso, gijjhakūṭā pabbatā orohanto addasaṁ purisaṁ gūthakūpe nimuggaṁ ubhohi hatthehi gūthaṁ khādantaṁ …pe… eso, bhikkhave, satto imasmiṁyeva rājagahe duṭṭhabrāhmaṇo ahosi. So kassapassa sammāsambuddhassa pāvacane bhikkhusaṅghaṁ bhattena nimantetvā doṇiyo gūthassa pūrāpetvā etadavoca— aho bhonto yāvadatthaṁ bhuñjantu ceva harantu cā’ti …pe….
A Dung Eater
“Just now, reverend, as I was descending from Vulture’s Peak Mountain I saw a man sunk in a sewer, eating dung with both hands. …” … “That being used to be a nasty brahmin right here in Rājagaha. In the time of the Buddha Kassapa’s dispensation he invited the Saṅgha of mendicants for a meal. He filled a trough with dung and said: ‘My good men, eat as much as you like, and take what’s left.’ …”