वेदाविनाशिनं नित्यं य एनमजमव्ययम् |
कथं स पुरुष: पार्थ कं घातयति हन्ति कम् || 21||
vedāvināśhinaṁ nityaṁ ya enam ajam avyayam
kathaṁ sa puruṣhaḥ pārtha kaṁ ghātayati hanti kam
veda—knows; avināśhinam—imperishable; nityam—eternal; yaḥ—who; enam—this; ajam—unborn; avyayam—immutable; katham—how; saḥ—that; puruṣhaḥ—person; pārtha—Parth; kam—whom; ghātayati—causes to be killed; hanti—kills; kam—whom
O Arjuna! He who knows that Atma is birthless, deathless, real, and imperishable, whom can he slay or cause to be slain?
The idea is emphasized that since Atma is eternal the man who knows Him, cannot slay anyone, nor even cause to slay by any means.