Valmiki Ramayana Yuddha Kanda Sarga 118 Shloka 9
Original Shlokaविभीषणस्य च तथासफलोऽद्यपरिश्रमः । विगुणंभ्रातरंत्यक्त्वायोमांस्वयमुपस्थितः ।।6.118.9।।
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तथा similarly, विभीषणस्य Vibheeshana's, परिश्रमश्च hard work, अद्य now, सफलः success, यः he who, विगुणम् devoid of good qualities, भ्रातरम् brother, त्यक्त्वा leaving, स्वयम् on his own, माम् to me, उपस्थितः stood
"In the same way even Vibheeshana's hard work leaving his brother devoid of good qualities and coming to me on his own has given success."