Valmiki Ramayana 2.97.9
मन्येऽहमागतोऽयोध्यां भरतो भ्रातृवत्सल:।मम प्राणात् प्रियतर: कुलधर्ममनुस्मरन्॥
manye'hamāgato'yodhyāṃ bharato bhrātṛvatsala: |mama prāṇāt priyatara: kuladharmamanusmaran ||
Our plain-language meaning of this verse is waiting for scholar review.