The Dawns, daughters of the sky, dispel darkness and illuminate the world, heralding the morning sacrifice with chariots drawn by purple horses [rv-6-65-2 ] rv • Book 6 . They bring sustenance, wealth, and prosperity to the worshippers who offer praises [rv-6-65-3 ] rv • Book 6 . The celestial अन्गिरसस् , assisted by उषस् , recover cattle, using divine hymns to break open the rock, revealing divine wealth [rv-6-65-6 ] rv • Book 6 .