Mahabharata 13.112.1

युधिष्ठिर उवाच · yudhiṣṭhira uvāca

पितामह महाबाहो सर्वशास्त्रविशारदश्रोतुमिच्छामि मर्त्यानां संसारविधिमुत्तमम्

pitāmaha mahābāho sarvaśāstraviśāradaśrotumicchāmi martyānāṃ saṃsāravidhimuttamam

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