Mahabharata 1.155.9

बुद्ध्वा तयोर्बलं बुद्धिं कनीयांसमुपह्वरेप्रपेदे छन्दयन्कामैरुपयाजं धृतव्रतम्

buddhvā tayorbalaṃ buddhiṃ kanīyāṃsamupahvareprapede chandayankāmairupayājaṃ dhṛtavratam

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