Srimad-Bhagavatam: Canto 11 - Chapter 1 - Verse 23
Sanskrit:
अवतीर्य यदोर्वंशे बिभ्रद् रूपमनुत्तमम् ।कर्माण्युद्दामवृत्तानि हिताय जगतोऽकृथा: ॥ २३ ॥
ITRANS:
avatīrya yador vaṁśebibhrad rūpam anuttamamkarmāṇy uddāma-vṛttānihitāya jagato ’kṛthāḥ
Translation:
Descending into the dynasty of King Yadu, You have manifested Your unique transcendental form, and for the benefit of the entire universe You have executed magnanimous transcendental activities.