Persian hagiography This material formed the basis for the surviving hagiographical material of Zarathustra, which is found in Middle Persian or Pahlavi texts including the "Dēnkard" and the "Wizidagiha", and in New Persian texts including the "Zaratosht-nama" and the "Shahnameh". Using and developing the historiographical methods of the "muḥaddithūn" (scholars of the sayings and history of the Prophet), Persian scholars drew on oral tradition and their own observations to write about holy figures. However, many hagiographies also drew on earlier written sources, often adapting those sources to reflect the writers' own view of sainthood. For example, in the twelfth century CE, Muḥammad
Zoroaster with Plato on natural philosophy. With respect to substance and content in "On Nature" only two facts are known: that it was crammed with astrological speculations, and that Necessity ("Ananké") was mentioned by name and that she was in the air. Pliny the Elder names Zoroaster as the inventor of magic ("Natural History" 30.2.3). "However, a principle of the division of labor appears to have spared Zoroaster most of the responsibility for introducing the dark arts to the Greek and Roman worlds." That "dubious honor" went to the "fabulous magus, Ostanes, to whom most of the pseudepigraphic magical literature was