Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 2
Sanskrit:
श्रीराजोवाचकथमन्तर्जलेऽगाधे न्यगृह्णाद् भगवानहिम् ।स वै बहुयुगावासं यथासीद् विप्र कथ्यताम् ॥ २ ॥
ITRANS:
śrī-rājovācakatham antar-jale ’gādhenyagṛhṇād bhagavān ahimsa vai bahu-yugāvāsaṁyathāsīd vipra kathyatām
Translation:
King Parīkṣit inquired: O learned sage, please explain how the Supreme Personality of Godhead chastised the serpent Kāliya within the unfathomable waters of the Yamunā, and how it was that Kāliya had been living there for so many ages.