Mahabharata 13.2.82

एषा हि तपसा स्वेन संयुक्ता ब्रह्मवादिनीपावनार्थं च लोकस्य सरिच्छ्रेष्ठा भविष्यति

eṣā hi tapasā svena saṃyuktā brahmavādinīpāvanārthaṃ ca lokasya saricchreṣṭhā bhaviṣyati

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