Valmiki Ramayana Yuddha Kanda Sarga 9 Shloka 14
Original Shlokaखरोयद्यतिवृत्तस्तुरामेणनिहतोरणे । अवश्यंप्राणिनांप्राणारक्षितव्यायथाबलम् ।।6.9.14।।
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अतिवृत्तः acted beyond his limit, खरः Khara, रणे: in war, रामेण: by Rama, हतःयदि has been killed also, प्राणिना: by living beings, यथाबलम् their own strength, प्राणाः life, अवश्यम् certainly, रक्षितव्याः will have to protect.
"(It is true) Khara was killed by Rama in war as he acted beyond his limit. Certainly, living beings will have to protect their life with their own strength."