17A10/4.2.10, the tenth discourse of the Aṅguttara Nikāya's Jāṇussoṇivagga: Cunda the smith's son approves of the western brahmins' purification rites, and the Bhagavā teaches that purity in the discipline of the liberated lies in the ten wholesome courses of action, not in touching earth, cowdung or grass, tending the fire, worshipping the sun or bathing.
