Mahabharata 7.165.39
तथोक्त्वा योगमास्थाय ज्योतिर्भूतो महातपाःदिवमाक्रामदाचार्यः सद्भिः सह दुराक्रमम्
tathoktvā yogamāsthāya jyotirbhūto mahātapāḥdivamākrāmadācāryaḥ sadbhiḥ saha durākramam
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book