Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 30
Sanskrit:
कालविध्वस्तसत्त्वानां राज्ञामुच्छास्त्रवर्तिनाम् ।भूमेर्भारायमाणानामवतीर्णौ किलाद्य मे ॥ ३० ॥
ITRANS:
kala-vidhvasta-sattvānāṁrājñām ucchāstra-vartināmbhūmer bhārāyamāṇānāmavatīrṇau kilādya me
Translation:
Taking birth from me, You have now descended to this world in order to kill those kings whose good qualities have been destroyed by the present age, and who thus defy the authority of revealed scriptures and burden the earth.