Mahabharata 13.107.43

त्रीन्कृशान्नावजानीयाद्दीर्घमायुर्जिजीविषुःब्राह्मणं क्षत्रियं सर्पं सर्वे ह्याशीविषास्त्रयः

trīnkṛśānnāvajānīyāddīrghamāyurjijīviṣuḥbrāhmaṇaṃ kṣatriyaṃ sarpaṃ sarve hyāśīviṣāstrayaḥ

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