Mahabharata 3.28.27
यो देवांश्च मनुष्यांश्च सर्पांश्चैकरथोऽजयत्तं ते वनगतं दृष्ट्वा कस्मान्मन्युर्न वर्धते
yo devāṃśca manuṣyāṃśca sarpāṃścaikaratho'jayattaṃ te vanagataṃ dṛṣṭvā kasmānmanyurna vardhate
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book