Mahabharata 13.70.36

नाचिकेत उवाच · nāciketa uvāca

श्रुत्वा वैवस्वतवचस्तमहं पुनरब्रुवम्अगोमी गोप्रदातॄणां कथं लोकान्निगच्छति

śrutvā vaivasvatavacastamahaṃ punarabruvamagomī gopradātṝṇāṃ kathaṃ lokānnigacchati

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