Duryodhana-śibira-praveśaḥ — The Pāṇḍavas Enter the Kaurava Camp; The Burning of Arjuna’s Chariot
नैष योग्योउ्द्य मित्र वा शत्रुर्वा पुरुषाधम:
naiṣa yogyodya mitra vā śatrur vā puruṣādhamaḥ
सञ्जय उवाच—नैष योग्योऽद्य मित्रं वा शत्रुर्वा पुरुषाधमः; नास्य कश्चिद् यथोचितः समागमः सम्भवति।
संजय उवाच
Moral unworthiness can make a person unfit for meaningful relationship or honorable conflict; the verse frames ethical degradation as disqualifying in both friendship and enmity.
Sañjaya, narrating events to Dhṛtarāṣṭra, delivers a sharp evaluative remark about a certain man, branding him ‘puruṣādhama’ and declaring him unfit to be treated as either ally or adversary.