Valmiki Ramayana Yuddha Kanda Sarga 62 Shloka 16
Original Shlokaयेराक्षसामुख्यतमाहतास्तेवानरैर्युधि ।।6.62.16।। वानराणांक्षयंयुद्धे न पश्यामिकदाचन । नचापिवानरायुद्धेजितपूर्वाःकदाचन ।।6.62.17।।
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मुख्यतमाः of the chief, येराक्षसाः the Rakshasas, ते to you, युधि in war, वानरैः Vanara, हताः killed, युद्धे in combat, वानराणाम् Vanaras, क्षयम् killed, कदाचन but even, न पश्यामि did not see, वानराः Vanaras, युद्धे in war, कदाचन even, जितपूर्वाः not failed to succeed, न चापि not seen.
"Of the Rakshasas, the chiefs have been killed in war by Vanaras. But I did not see even one Vanara to have been killed in war. Vanaras have not failed to succeed in war."