अग्नि , the divine fire, is invoked as the essential manifester of solemn rites and intermediary between gods and men. Revered as the quick-moving messenger, हे is implored to bestow prosperity and protection by carrying offerings to the deities, who, led by इन्द्र , find delight in the offerings conveyed. His sacred role commands reverence from the वसुस् and all immortals [rv-7-11-1 ] rv • Book 7 .