Mahabharata 7.70.29
रथं नागं हयं चापि पत्तिनश्च विशां पतेएकैकेनेषुणा संख्ये निर्बिभेद महारथः
rathaṃ nāgaṃ hayaṃ cāpi pattinaśca viśāṃ pateekaikeneṣuṇā saṃkhye nirbibheda mahārathaḥ
Our plain-language meaning of this verse is waiting for scholar review.