Valmiki Ramayana Sundara Kanda Sarga 31 Shloka 3
Original Shlokaराजर्षीणां गुणश्रेष्ठस्तपसा चर्षिभि स्समः। चक्रवर्तिकुले जातः पुरन्दरसमो बले।।5.31.3।।
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राजर्षीणाम् among sagelike kings, गुणश्रेष्ठः most virtuous one, तपसा in austerity, ऋषिभिः with sages, समः equal, चक्रवर्तिकुले in a dynasty of emperors, जातः born, बले in might, पुरन्दरसमः crusher of citadels like Indra.
"He was the most virtuous among royal sages, equal to sages in austerity, born in the race of emperors and equal to Indra in might.