Mahabharata 13.123.5
तपसा महदाप्नोति विद्यया चेति नः श्रुतम्तपसैव चापनुदेद्यच्चान्यदपि दुष्कृतम्
tapasā mahadāpnoti vidyayā ceti naḥ śrutamtapasaiva cāpanudedyaccānyadapi duṣkṛtam
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book