Mahabharata 10.14.16
ऋषी ऊचतुःनानाशस्त्रविदः पूर्वे येऽप्यतीता महारथाःनैतदस्त्रं मनुष्येषु तैः प्रयुक्तं कथंचन
ṛṣī ūcatuḥnānāśastravidaḥ pūrve ye'pyatītā mahārathāḥnaitadastraṃ manuṣyeṣu taiḥ prayuktaṃ kathaṃcana
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book