Valmiki Ramayana Yuddha Kanda Sarga 67 Shloka 57
Original Shlokaत्वजतद्वानरानीकंप्राकृतैःकिंकरिष्यसि । सहस्वैकंनिपातंमेपर्वतस्यास्यराक्षस ।।6.67.57।।
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तत् that, वानरानीकम् Vanara troops, त्यज give up, प्राकृतैः by nature, किंकरिष्यसि What work, राक्षस Rakshasa, मे with me, अस्यपर्वतस्य your mountain's, एकम् निपातम् one mountain, सहस्व bear.
"Give up with Vanaras, who are monkeys by nature. Bear this one mountain's blow of mine."