Mahabharata 12.159.18

तस्माद्राज्ञा सदा तेजो दुःसहं ब्रह्मवादिनाम्मन्ता शास्ता विधाता च ब्राह्मणो देव उच्यतेतस्मिन्नाकुशलं ब्रूयान्न शुक्तामीरयेद्गिरम्

tasmādrājñā sadā tejo duḥsahaṃ brahmavādināmmantā śāstā vidhātā ca brāhmaṇo deva ucyatetasminnākuśalaṃ brūyānna śuktāmīrayedgiram

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