Mahabharata 12.203.2

भीष्म उवाच · bhīṣma uvāca

अत्राप्युदाहरन्तीममितिहासं पुरातनम्संवादं मोक्षसंयुक्तं शिष्यस्य गुरुणा सह

atrāpyudāharantīmamitihāsaṃ purātanamsaṃvādaṃ mokṣasaṃyuktaṃ śiṣyasya guruṇā saha

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