Srimad-Bhagavatam: Canto 8 - Chapter 1 - Verse 21
Sanskrit:
हरीन्दशशतान्याजौ हर्यश्वस्य बल: शरै: ।तावद्भिरर्दयामास युगपल्लघुहस्तवान् ॥ २१ ॥
ITRANS:
harīn daśa-śatāny ājauharyaśvasya balaḥ śaraiḥtāvadbhir ardayām āsayugapal laghu-hastavān
Translation:
Quickly handling the situation on the battlefield, the demon Bala put all of Indra’s one thousand horses into tribulation by simultaneously piercing them all with an equal number of arrows.