Theravāda Vinaya
Mahāvibhaṅga
Sekhiyakaṇḍa
Pādukavagga
Sekhiyā 64: Sayanasikkhāpada
Tena samayena buddho bhagavā sāvatthiyaṃ viharati jetavane anāthapiṇḍikassa ārāme. Tena kho pana samayena chabbaggiyā bhikkhū sayanagatassa dhammaṃ desenti … pe ….
“Na sayanagatassa agilānassa dhammaṃ desessāmīti sikkhā karaṇīyā”ti. (64:209)
Na sayanagatassa agilānassa dhammo desetabbo. Yo anādariyaṃ paṭicca antamaso chamāyampi nipannassa sayanagatassa agilānassa dhammaṃ deseti, āpatti dukkaṭassa.