Mahabharata 6.15.20

यः स्पर्धते रणे नित्यं जामदग्न्यं महाबलम्अजितं जामदग्न्येन शक्रतुल्यपराक्रमम्

yaḥ spardhate raṇe nityaṃ jāmadagnyaṃ mahābalamajitaṃ jāmadagnyena śakratulyaparākramam

Our plain-language meaning of this verse is waiting for scholar review.