Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 27
Sanskrit:
तस्मादेकतरस्येह युवयो: समवीर्ययो: ।न लक्ष्यते जयोऽन्यो वा विरमत्वफलो रण: ॥ २७ ॥
ITRANS:
tasmād ekatarasyehayuvayoḥ sama-vīryayoḥna lakṣyate jayo ’nyo vāviramatv aphalo raṇaḥ
Translation:
Since you are so evenly matched in fighting prowess, I do not see how either of you can win or lose this duel. Therefore please stop this useless battle.