अग्नि , the divine messenger of the gods, is revered and invoked like मनु to intercede on behalf of devoted worshippers [rv-5-21-1 ] rv • Book 5 . As a radiant force nourished by offerings, अग्नि illuminates humanity and is constantly honored with ladles of clarified butter [rv-5-21-2 ] rv • Book 5 . All gods entrust अग्नि for sacrificial rites [rv-5-21-3 ] rv • Book 5 , enabling man to offer praises and convey offerings to the deities [rv-5-21-4 ] rv • Book 5 .