sākṣi-gopālera kathā kahe nityānanda
śuniyā vaiṣṇava-mane bāḍila ānanda
sākṣi-gopālera - of the Deity known as Sākṣi-gopāla; kathā - the narration; kahe - describes; nityānanda - Nityānanda Prabhu; śuniyā - hearing; vaiṣṇava-mane - in the minds of all the Vaiṣṇavas; bāḍila - increased; ānanda - the transcendental bliss.
For these activities refer to Madhya-līlā, chapter five, verses 8-138.