Dādestān ī Dēnīg (IPA: [daːdestaːn iː deːniːɡ] "Religious Judgments") or Pursišn-Nāmag (IPA: [puɾsiʃnaːmaɡ] "Book of Questions") is a 9th-century Middle Persian work written by Manushchihr (Manūščihr), who was high priest of the PersianZoroastrian community of Pārs and Kermān, son of Gušn-Jam and brother of Zadspram. The work consists of an introduction and ninety-two questions along with Manūščihr's answers. His questions varies from religious to social, ethical, legal, philosophical, cosmological, etc. The style of his work is abstruse, dense, and is heavily influenced by New Persian.
Contemporary Persian and Classical Persian are the same language, but writers since 1900 are classified as contemporary. At one time, Persian was a common cultural language of much of the non-Arabic Islamic world. Today it is the official language of Iran, Tajikistan and one of the two official languages of Afghanistan.