Mahabharata 5.186.6

यथाह भरतश्रेष्ठ नारदस्तत्तथा कुरुएतद्धि परमं श्रेयो लोकानां भरतर्षभ

yathāha bharataśreṣṭha nāradastattathā kuruetaddhi paramaṃ śreyo lokānāṃ bharatarṣabha

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