Mahabharata 5.127.27

अविजित्य य आत्मानममात्यान्विजिगीषतेअजितात्माजितामात्यः सोऽवशः परिहीयते

avijitya ya ātmānamamātyānvijigīṣateajitātmājitāmātyaḥ so'vaśaḥ parihīyate

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