Srimad-Bhagavatam: Canto 1 - Chapter 1 - Verse 36
Sanskrit:
तयोरेवं कथयतो: पृथिवीधर्मयोस्तदा ।परीक्षिन्नाम राजर्षि: प्राप्त: प्राचीं सरस्वतीम् ॥ ३६ ॥
ITRANS:
tayor evaṁ kathayatoḥpṛthivī-dharmayos tadāparīkṣin nāma rājarṣiḥprāptaḥ prācīṁ sarasvatīm
Translation:
While the earth and the personality of religion were thus engaged in conversation, the saintly King Parīkṣit reached the shore of the Sarasvatī River, which flowed towards the east.