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 be the Avesta. Alternatively, he appears with a mace, the "varza"—usually stylized as a steel rod crowned by a bull's head—that priests carry in their installation ceremony. In other depictions he appears with a raised hand and thoughtfully lifted finger, as if to make a point. Zoroaster is rarely depicted as looking directly at the viewer; instead, he appears to be looking slightly upwards, as if beseeching. Zoroaster is almost always depicted with a beard, this along with other factors bearing similarities to 19th-century portraits of Jesus. A common variant of the Zoroaster images derives from a Sassanid-era rock-face carving.