Mahabharata 1.33.19

तत्रापरेऽमन्त्रयन्त धर्मात्मानो भुजंगमाःअबुद्धिरेषा युष्माकं ब्रह्महत्या न शोभना

tatrāpare'mantrayanta dharmātmāno bhujaṃgamāḥabuddhireṣā yuṣmākaṃ brahmahatyā na śobhanā

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