Valmiki Ramayana Yuddha Kanda Sarga 87 Shloka 17
Original Shlokaनिरनुक्रोशताचेयंयादृशीतेनिशाचर । स्वजनेनत्वयाशक्यंपौरुषंरावणानुज ।।6.87.17।।
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रावणानुज Ravana's brother, निशाचर night ranger, ते you, इयम् this, यादृशी way, निरनुक्रोशता ruthlessness, पौरुषम् manliness, स्वजनेन own people, त्वया by you, शक्यम् is possible
"O Ravana's brother! You have shown ruthlessness this way. O night ranger! Only you could exhibit this kind of manliness."