Mahabharata 5.34.54

अविजित्य य आत्मानममात्यान्विजिगीषतेअमित्रान्वाजितामात्यः सोऽवशः परिहीयते

avijitya ya ātmānamamātyānvijigīṣateamitrānvājitāmātyaḥ so'vaśaḥ parihīyate

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