Mahabharata 1.181.20

ब्राह्मे पौरंदरे चास्त्रे निष्ठितो गुरुशासनात्स्थितोऽस्म्यद्य रणे जेतुं त्वां वीराविचलो भव

brāhme pauraṃdare cāstre niṣṭhito guruśāsanātsthito'smyadya raṇe jetuṃ tvāṃ vīrāvicalo bhava

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