tasmād yudhyasva bhārata

antavantah-perishable; ime-all these; dehah-material bodies; nityasya-eternal in existence; uktah-it is so said; saririnah-the embodied souls; anasinah-never to be destroyed; aprameyasya-immeasurable; tasmat-therefore; yudhyasva-fight; bharata-O descendant of Bharata.