Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 20
Sanskrit:
तदद्भुचतं महत् कर्म प्रद्युम्नस्य महात्मन: ।दृष्ट्वा तं पूजयामासु: सर्वे स्वपरसैनिका: ॥ २० ॥
ITRANS:
tad adbhutaṁ mahat karmapradyumnasya mahātmanaḥdṛṣṭvā taṁ pūjayām āsuḥsarve sva-para-sainikāḥ
Translation:
When they saw the glorious Pradyumna perform that amazing and mighty feat, all the soldiers on both sides praised Him.