The ninth sutta of the Aṭṭhakavagga of the Suttanipāta.

The conversation between Māgaṇḍiya and the Buddha after the former had offered the Buddha his daughter in marriage. Māgaṇḍiya expresses the view that purity comes from philosophy, from disputations and discussions, learning and. austerities. The Buddha denies this, and says that purity comes from inward peace. The sage (muṇi) is a confessor of peace and does not indulge in disputes. SN. vs. 835-47.