Mahabharata 5.164.16

नैष जातु महेष्वासः पार्थमक्लिष्टकारिणम्हन्यादाचार्यकं दीप्तं संस्मृत्य गुणनिर्जितम्

naiṣa jātu maheṣvāsaḥ pārthamakliṣṭakāriṇamhanyādācāryakaṃ dīptaṃ saṃsmṛtya guṇanirjitam

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