Valmiki Ramayana Aranya Kanda Sarga 41 Shloka 10
Original Shlokaराजमूलो हि धर्मश्च जयश्च जयतां वर। तस्मात्सर्वास्ववस्थासु रक्षितव्या नराधिपाः।।3.41.10।।
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जयताम् among the victorious, वर best one, धर्मश्च righteousness, जयश्च victory, राजमूल: the king is the root, हि indeed, तस्मात् therefore, सर्वासु in all, अवस्थासु stages, नराधिपाः kings, रक्षितव्याः deserve to be protected.
O Ravana, the best among the victorious indeed the king is at the root of righteousness and victory.Therefore, the king should be protected by all at every stage.