Mahabharata 12.22.2
क्षत्रधर्मेण धर्मज्ञ प्राप्य राज्यमनुत्तमम्जित्वा चारीन्नरश्रेष्ठ तप्यते किं भवान्भृशम्
kṣatradharmeṇa dharmajña prāpya rājyamanuttamamjitvā cārīnnaraśreṣṭha tapyate kiṃ bhavānbhṛśam
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book