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 all claimed that Zoroaster originated from "their" homelands, some of which then decided that Zoroaster must then have then been buried in their regions or composed his Gathas there or preached there. Also Arabic sources of the same period and the same region of historical Persia consider Azerbaijan as the birthplace of Zarathustra. By the late 20th century, most scholars had settled on an origin in eastern Greater Iran. Gnoli proposed Sistan, Baluchistan (though in a much wider scope than the present-day province) as the homeland of Zoroastrianism; Frye voted for Bactria and Chorasmia; Khlopin suggests the Tedzen Delta in