Zoroaster parallels include the evident similarities between Amesha Spenta and the archangel Gabriel, and the mention of Thamud and the Iram of the Pillars in the Quran. These may also indicate the vast influence of the Achaemenid Empire on the development of either religion. The Sabaeans, who believed in free will coincident with Zoroastrians, are also mentioned in the Quran. Like the Greeks of classical antiquity, Islamic tradition understands Zoroaster to be the founding prophet of the Magians (via Aramaic, Arabic "Majus", collective "Majusya"). The 11th-century Cordoban Ibn Hazm (Zahiri school) contends that "Kitabi" "of the Book" cannot apply in light
Zoroaster 1500 and 500 BCE. Some scholars such as Mary Boyce (who dated Zoroaster to somewhere between 1700–1000 BCE) used linguistic and socio-cultural evidence to place Zoroaster between 1500 and 1000 BCE (or 1200 and 900 BCE). The basis of this theory is primarily proposed on linguistic similarities between the Old Avestan language of the Zoroastrian Gathas and the Sanskrit of the Rigveda (c. 1700–1100 BCE), a collection of early Vedic hymns. Both texts are considered to have a common archaic Indo-Iranian origin. The Gathas portray an ancient Stone-Bronze Age bipartite society of warrior-herdsmen and priests (compared to Bronze tripartite society;