This I ask Thee, O Ahura! tell me aright; who, as a skilful artisan, hath made the lights and the darkness ? Who, as thus skilful, hath made sleep and the zest (of waking hours)? Who (spread) the Auroras, the noontides and midnight, monitors to discerning (man), duty's true (guides) ?

Aûharmazd produced illumination between the sky and the earth, the constellation stars and those also not of the constellations, then the moon, and...