Valmiki Ramayana Sundara Kanda Sarga 1 Shloka 121
Original Shlokaत्वं हि देववरिष्ठस्य मारुतस्य महात्मनः। पुत्रस्तस्यैव वेगेन सदृशः कपिकुञ्जर।।5.1.121।।
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कपिकुञ्जर foremost among vanaras, त्वम् you, देववरिष्ठस्य of the pre eminent one among the divine beings, महात्मनः of the highsouled, मारुतस्य wind god's, पुत्रः हि son indeed, वेगेन in speed, तस्यैव with his own self, सदृशः comparable.
"O foremost among the vanaras you are the son of the highsouled Windgod's, preeminent among the gods, you are also equal to him in speed.