My dear King, although I was fully situated in the transcendental position, I was nonetheless attracted to the pastimes of Lord Krsna. Therefore I studied Srimad-Bhagavatam from my father

Expressions researched:
"My dear King, although I was fully situated in the transcendental position, I was nonetheless attracted to the pastimes of Lord Kṛṣṇa. Therefore I studied Śrīmad-Bhāgavatam from my father"

Sri Caitanya-caritamrta

CC Madhya-lila

“[Śukadeva Gosvāmī addressed Parīkṣit Mahārāja:] ‘My dear King, although I was fully situated in the transcendental position, I was nonetheless attracted to the pastimes of Lord Kṛṣṇa. Therefore I studied Śrīmad-Bhāgavatam from my father.’

CC Madhya 24.47, Translation and Purport

“[Śukadeva Gosvāmī addressed Parīkṣit Mahārāja:] ‘My dear King, although I was fully situated in the transcendental position, I was nonetheless attracted to the pastimes of Lord Kṛṣṇa. Therefore I studied Śrīmad-Bhāgavatam from my father.’

This is a quotation from Śrīmad-Bhāgavatam (SB 2.1.9).