Bhagavad Gita 2.21

वेदविनाशिनं नित्यं य एनमजमव्ययम् |
कथं स पुरुष: पार्थ कं घटयति हन्ति कम्

Translation

O Parth, how can one who knows the soul to be imperishable, eternal, unborn, and immutable kill anyone or cause anyone to kill?