Mahabharata 12.68.2

भीष्म उवाच · bhīṣma uvāca

अत्राप्युदाहरन्तीममितिहासं पुरातनम्बृहस्पतिं वसुमना यथा पप्रच्छ भारत

atrāpyudāharantīmamitihāsaṃ purātanambṛhaspatiṃ vasumanā yathā papraccha bhārata

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