Theravāda Vinaya
Mahāvibhaṅga
Sekhiyakaṇḍa
Kabaḷavagga
43. Sakabaḷasikkhāpada
Tena samayena buddho bhagavā sāvatthiyaṃ viharati jetavane anāthapiṇḍikassa ārāme. Tena kho pana samayena chabbaggiyā bhikkhū sakabaḷena mukhena byāharanti … pe ….
“Na sakabaḷena mukhena byāharissāmīti sikkhā karaṇīyā”ti. (43:188)
Na sakabaḷena mukhena byāharitabbaṃ. Yo anādariyaṃ paṭicca sakabaḷena mukhena byāharati, āpatti dukkaṭassa.