Mahabharata 14.5.1
युधिष्ठिर उवाच · yudhiṣṭhira uvāca
कथंवीर्यः समभवत्स राजा वदतां वरःकथं च जातरूपेण समयुज्यत स द्विज
kathaṃvīryaḥ samabhavatsa rājā vadatāṃ varaḥkathaṃ ca jātarūpeṇa samayujyata sa dvija
Our plain-language meaning of this verse is waiting for scholar review.