Valmiki Ramayana Kishkindha Kanda Sarga 65 Shloka 27
Original Shlokaगुरुश्च गुरुपुत्रश्च त्वं हि नः कपिसत्तम। भवन्तमाश्रित्य वयं समर्था ह्यर्थसाधने।।4.65.27।।
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कपिसत्तम O best of monkeys, नः for us, गुरुपुत्रः son of our teacher, त्वम् you are, गुरुश्च and also a respectable guide, वयम् we, भवन्तम् you, आश्रित्य under your care, अर्थसाधने in accomplishing our objective, समर्थाः हि are capable also.
'O best of monkeys you are the son of my guide (Vali) and respectable. We will be capable of accomplishing the goal only under your protection and guidance.