Valmiki Ramayana Ayodhya Kanda Sarga 52 Shloka 36
Original Shlokaतातस्य प्रियकामेन यौवराज्यमपेक्षता। लोकयोरुभयोः शक्यं त्वया यत्सुखमेधितुम्।।2.52.36।।
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तातस्य father's, प्रियकामेन loving desire, यौवराज्यम् princeregency, अपेक्षता waits, त्वया your, उभयोः both, लोकयोः worlds, यत् also, सुखम् happiness, एधितुम् to attain, शक्यम् able.
Princeregency is awaiting you because of our father's loving desire. See that through you (your actions) he is able to attain happiness in both the worlds.