Mahabharata 14.2.1
वैशंपायन उवाच · vaiśaṃpāyana uvāca
एवमुक्तस्तु राज्ञा स धृतराष्ट्रेण धीमतातूष्णीं बभूव मेधावी तमुवाचाथ केशवः
evamuktastu rājñā sa dhṛtarāṣṭreṇa dhīmatātūṣṇīṃ babhūva medhāvī tamuvācātha keśavaḥ
Our plain-language meaning of this verse is waiting for scholar review.