Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 21
Sanskrit:
अथ ते कालरूपस्य क्षपयिष्णोरमुष्य वै ।अक्षौहिणीनां निधनं द्रक्ष्याम्यर्जुनसारथे: ॥ २१ ॥
ITRANS:
atha te kāla-rūpasyakṣapayiṣṇor amuṣya vaiakṣauhiṇīnāṁ nidhanaṁdrakṣyāmy arjuna-sāratheḥ
Translation:
Subsequently I will see You appear as time personified, serving as Arjuna’s chariot driver and destroying entire armies of soldiers to rid the earth of her burden.