Bhagavadgita 3.73

Bhagavadgītābhāṣya (Śāṅkarabhāṣya) 3.73

yajña-śiṣṭāśinaḥ santo mucyante sarva-kilbiṣaiḥ |
bhuñjate te tv aghaṃ pāpā ye pacanty ātma-kāraṇāt ||