Valmiki Ramayana Ayodhya Kanda Sarga 104 Shloka 25
Original Shlokaस च प्रमाणं धर्मात्मा राजा लोकगुरुस्तव। पित्रा दत्तं यथाभागमुपभोक्तुं त्वमर्हसि।।2.104.25।।
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धर्मात्मा righteous, लोकगुरुः revered by the world, सः राजा that king, तव your, प्रमाणम् proclamation, त्वम् you, पित्रा by father, दत्तम् bestowed, यथाभागम् that portion, उपभोक्तुम् to enjoy, अर्हसि behoves you.
The proclamation of that righteous king revered by the world shall be your guide. You should enjoy that portion bestowed by father.