The अश्विन्स् , with their well-horsed chariots, are praised for their divine adventures at dawn, dispelling darkness and illuminating the skies with radiance akin to the sun [rv-4-45-1 ] rv • Book 4 . They are invited to partake in the Soma sacrifice, invigorating the path of worship with their swift and golden-winged horses [rv-4-45-3 ] rv • Book 4 , aiding priests and sacred fires in conducting rituals [rv-4-45-5 ] rv • Book 4 .