Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 30
Sanskrit:
दृष्ट्वा प्रलम्बं निहतं बलेन बलशालिना ।गोपा: सुविस्मिता आसन्साधु साध्विति वादिन: ॥ ३० ॥
ITRANS:
dṛṣṭvā pralambaṁ nihataṁbalena bala-śālināgopāḥ su-vismitā āsansādhu sādhv iti vādinaḥ
Translation:
The cowherd boys were most astonished to see how the powerful Balarāma had killed the demon Pralamba, and they exclaimed, “Excellent! Excellent!”