Taheri points out that until the end of the nineteenth century neither Farsi nor any of the other main Muslim languages had words for republic, let alone democracy.
Sometimes in life, the problems we have become so clear. The world thinks that Mr Taheri knows it all. Moreover a number of journalists, typically of Moslem origin, think they know it all. Well they are wrong. The oldest book in the world The Zend Avesta speaks of free will and choice with words like gozineshi.
Maybe that is why Iran is stuck in these doldrums. Learn about the Zoroastrian or ancient philosophy of Iran.