इन्द्र , अग्नि , the pure and invincible divine forces, are urged to hear and accept the offerings and praise of their worshipper, as they ride together towards ritual libations. Associated with सरस्वती , their protection and participation in the सोम , ritual are invoked for victory and spiritual exaltation [rv-8-38-1 ] rv • Book 8 [rv-8-38-10 ] rv • Book 8 .