Sūta Gosvāmī said: Mahārāja Parīkṣit, the son of Uttarā, after hearing the speeches of Śukadeva Gosvāmī, which were all about the truth of the self, applied his concentration faithfully upon Lord Kṛṣṇa.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
सूत उवाच । वैयासकेरिति वचस्तत्त्वनिश्चयमात्मनः । उपधार्य मतिं कृष्णे औत्तरेयः सतीं व्यधात्
sūta uvāca | vaiyāsakeriti vacastattvaniścayamātmanaḥ | upadhārya matiṃ kṛṣṇe auttareyaḥ satīṃ vyadhāt
SB 2.4.1