Mahabharata 13.73.14

य इदं ब्राह्मणो नित्यं वदेद्ब्राह्मणसंसदियज्ञेषु गोप्रदानेषु द्वयोरपि समागमे

ya idaṃ brāhmaṇo nityaṃ vadedbrāhmaṇasaṃsadiyajñeṣu gopradāneṣu dvayorapi samāgame

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