Valmiki Ramayana Yuddha Kanda Sarga 71 Shloka 60
Original Shlokaसर्वायुधसमायुक्तोधन्वीत्वंरथमास्थितः । शरैर्वायदिवाप्यस्त्रैर्दर्शयस्वपराक्रमम् ।।6.71.60।।
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त्वम् you, धन्वी bow, सर्वायुधसमायुक्तः collecting all kinds of weapons, रथम् chariot, आस्थितः seated, शरैःवा with arrows, यदिवापि by that alone, अस्त्रै: weapons, पराक्रमम् capable, दर्शयस्य show.
"You are seated in the chariot with all kinds of weapons collected. By that alone you do not become capable. Show your capacity."