Manusmriti
यद् गर्हितेनार्जयन्ति कर्मणा ब्राह्मणा धनम् । तस्योत्सर्गेण शुध्यन्ति जप्येन तपसैव च ॥ १९३ ॥
If Brahmanas acquire property by a reprehensible action, they become pure by relinquishing it, muttering prayers, and (performing) austerities.
english translation
yad garhitenArjayanti karmaNA brAhmaNA dhanam । tasyotsargeNa zudhyanti japyena tapasaiva ca ॥ 193 ॥
hk transliteration by Sanscript