Valmiki Ramayana Yuddha Kanda Sarga 83 Shloka 43
Original Shlokaउत्थिष्ठनरशार्दूलदीर्घबाहोधृतव्रत । किमात्मानंमहात्मानंमात्मानं न बुध्यसे ।।6.83.43।।
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नरशार्दूल tiger among men, दीर्घबाहो broad shouldered, धृतव्रत determined, उत्थिष्ठ getting up, महात्मानम् great soul, कृतात्मानम् doer of action, आत्मानम् yourself, किं न बुध्यसे why not thinking
"O tiger among men! O broad shouldered endowed with fortitude! Why do you not know yourself that you are a great soul and doer of action?"