Mahabharata 1.86.2

ययातिरुवाचआहूताध्यायी गुरुकर्मस्वचोद्यः; पूर्वोत्थायी चरमं चोपशायीमृदुर्दान्तो धृतिमानप्रमत्तः; स्वाध्यायशीलः सिध्यति ब्रह्मचारी

yayātiruvācaāhūtādhyāyī gurukarmasvacodyaḥ; pūrvotthāyī caramaṃ copaśāyīmṛdurdānto dhṛtimānapramattaḥ; svādhyāyaśīlaḥ sidhyati brahmacārī

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