Valmiki Ramayana 2.114.21

भरतस्तु रथस्थ: सन् श्रीमान् दशरथात्मज: ।वाहयन्तं रथश्रेष्ठं सारथिं वाक्यमब्रवीत्॥

bharatastu rathastha: san śrīmān daśarathātmaja: |vāhayantaṃ rathaśreṣṭhaṃ sārathiṃ vākyamabravīt ||

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