Mahabharata 12.218.13

ब्रह्मण्योऽयं सदा भूत्वा सत्यवादी जितेन्द्रियःअभ्यसूयद्ब्राह्मणान्वै उच्छिष्टश्चास्पृशद्घृतम्

brahmaṇyo'yaṃ sadā bhūtvā satyavādī jitendriyaḥabhyasūyadbrāhmaṇānvai ucchiṣṭaścāspṛśadghṛtam

Our plain-language meaning of this verse is waiting for scholar review.