Mahabharata 13.51.34

इत्येतद्गोषु मे प्रोक्तं माहात्म्यं पार्थिवर्षभगुणैकदेशवचनं शक्यं पारायणं न तु

ityetadgoṣu me proktaṃ māhātmyaṃ pārthivarṣabhaguṇaikadeśavacanaṃ śakyaṃ pārāyaṇaṃ na tu

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