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 (i.e. reiteration of passages in works of other authors) is a complete Coptic tractate titled "Zostrianos" (after the first-person narrator) discovered in the Nag Hammadi library in 1945. A three-line cryptogram in the colophones following the 131-page treatise identify the work as "words of truth of Zostrianos. God of Truth ["logos"]. Words of Zoroaster." Invoking a "God of Truth" might seem Zoroastrian, but there is otherwise "nothing noticeably Zoroastrian" about the text and "in content, style, ethos and intention, its affinities are entirely with the congeners among the Gnostic tractates." Another work circulating under the name of "Zoroaster" was the