Srimad-Bhagavatam: Canto 4 - Chapter 1 - Verse 70
Sanskrit:
मैत्रेय उवाचइति देवर्षिणा प्रोक्तं विश्रुत्य जगतीपति: ।राजलक्ष्मीमनादृत्य पुत्रमेवान्वचिन्तयत् ॥ ७० ॥
ITRANS:
maitreya uvācaiti devarṣiṇā proktaṁviśrutya jagatī-patiḥrāja-lakṣmīm anādṛtyaputram evānvacintayat
Translation:
The great Maitreya continued: The King, Uttānapāda, after being advised by Nārada Muni, practically gave up all duties in relation with his kingdom, which was very vast and wide, opulent like the goddess of fortune, and he simply began to think of his son Dhruva.