Mahabharata 12.123.1

युधिष्ठिर उवाच · yudhiṣṭhira uvāca

तात धर्मार्थकामानां श्रोतुमिच्छामि निश्चयम्लोकयात्रा हि कार्त्स्न्येन त्रिष्वेतेषु प्रतिष्ठिता

tāta dharmārthakāmānāṃ śrotumicchāmi niścayamlokayātrā hi kārtsnyena triṣveteṣu pratiṣṭhitā

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