Mahabharata 12.85.1

भीष्म उवाच · bhīṣma uvāca

अत्राप्युदाहरन्तीममितिहासं पुरातनम्बृहस्पतेश्च संवादं शक्रस्य च युधिष्ठिर

atrāpyudāharantīmamitihāsaṃ purātanambṛhaspateśca saṃvādaṃ śakrasya ca yudhiṣṭhira

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