Mahabharata 2.49.16
गच्छन्ति पूर्वादपरं समुद्रं चापि दक्षिणम्उत्तरं तु न गच्छन्ति विना तात पतत्रिभिः
gacchanti pūrvādaparaṃ samudraṃ cāpi dakṣiṇamuttaraṃ tu na gacchanti vinā tāta patatribhiḥ
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book