वायु , the divine wind god, is characterized by his thunderous voice and vibrant force, sweeping across the sky and rousing the earth [rv-10-168-1 ] rv • Book 10 . He is accompanied by celestial beings as he commands the firmament, continually moving forward [rv-10-168-2 ] rv • Book 10 . As the primordial force and divine voice, his presence is felt yet unseen, embodying the life-giving spirit of the cosmos [rv-10-168-3 ] rv • Book 10 .