Mahabharata 13.23.7

ब्राह्मणा भरतश्रेष्ठ सततं ब्रह्मवादिनःमार्कण्डेयः पुरा प्राह इह लोकेषु बुद्धिमान्

brāhmaṇā bharataśreṣṭha satataṃ brahmavādinaḥmārkaṇḍeyaḥ purā prāha iha lokeṣu buddhimān

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