Mahabharata 12.111.13

ये तपश्च तपस्यन्ति कौमारब्रह्मचारिणःविद्यावेदव्रतस्नाता दुर्गाण्यतितरन्ति ते

ye tapaśca tapasyanti kaumārabrahmacāriṇaḥvidyāvedavratasnātā durgāṇyatitaranti te

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