Mahabharata 8.50.64

दुरात्मानं पापमतिं नृशंसं; दुष्टप्रज्ञं पाण्डवेयेषु नित्यम्हीनस्वार्थं पाण्डवेयैर्विरोधे; हत्वा कर्णं धिष्ठितार्थो भवाद्य

durātmānaṃ pāpamatiṃ nṛśaṃsaṃ; duṣṭaprajñaṃ pāṇḍaveyeṣu nityamhīnasvārthaṃ pāṇḍaveyairvirodhe; hatvā karṇaṃ dhiṣṭhitārtho bhavādya

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