Valmiki Ramayana 2.58.20

कुमारे भरते वृत्तिर्वर्तितव्याच राजवत् ।अर्थज्येष्ठा हि राजानो राजधर्ममनुस्मर॥

kumāre bharate vṛttirvartitavyāca rājavat |arthajyeṣṭhā hi rājāno rājadharmamanusmara ||

Our plain-language meaning of this verse is waiting for scholar review.