Ahura Mazda is the Avestan name for a divinity of the Old Iranian religion who was proclaimed the uncreated God by Zoroaster, the founder of Zoroastrianism. Ahura Mazda is described as the highest deity of worship in Zoroastrianism, along with being the first and most frequently invoked deity in the Yasna. The word Ahura means light and Mazda means wisdom. Thus Ahura Mazda is the lord of light and wisdom. Ahura Mazda is the creator and upholder of Arta (truth). Ahura Mazda is an omniscient and omnipotent god.