Rigveda 7.75.6
प्रति॑ द्युता॒नाम॑रु॒षासो॒ अश्वा॑श्चि॒त्रा अ॑दृश्रन्नु॒षसं॒ वह॑न्तः ।याति॑ शु॒भ्रा वि॑श्व॒पिशा॒ रथे॑न॒ दधा॑ति॒ रत्नं॑ विध॒ते जना॑य॥
prati dyutānāmaruṣāso aśvāścitrā adṛśrannuṣasaṃ vahantaḥ |yāti śubhrā viśvapiśā rathena dadhāti ratnaṃ vidhate janāya ||
Our plain-language meaning of this verse is waiting for scholar review.