Ramayana
नार्जुनः खेदमायाति न राक्षसगणेश्वरः । इदमासीत्तयोर्युद्धं यथा पूर्वं बलीन्द्रयोः ॥ 7-32-58 ॥
Neither did Arjuna come to exhaustion, nor did the lord of the rakshasa hosts; this combat of theirs was like that of old between the two mighty lords, Bali and Indra.
english translation