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 that it was a form of rational Deism, preferable to Christianity. Zoroaster was the subject of the 1749 opera, "Zoroastre", by Jean-Philippe Rameau. With the translation of the Avesta by Abraham Anquetil-Duperron, Western scholarship of Zoroastrianism began. An early 19th-century representation of Zoroaster derived from the portrait of a figure that appears in a 4th-century sculpture at Taq-e Bostan in south-western Iran. In E. T. A. Hoffmann's novel "" (1819), the mage Prosper Alpanus states that Professor Zoroaster was his teacher. In his seminal work "Also sprach Zarathustra (Thus Spoke Zarathustra)" (1885) the philosopher Friedrich Nietzsche uses the native Iranian