Mahabharata 9.60.35

कुर्वाणश्चोत्तमं कर्म कर्णः पार्थजिगीषयाव्यंसनेनाश्वसेनस्य पन्नगेन्द्रसुतस्य वै

kurvāṇaścottamaṃ karma karṇaḥ pārthajigīṣayāvyaṃsanenāśvasenasya pannagendrasutasya vai

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