The Dana-i Menog-i khrat, (Persian:دانای مینوی خرد) or 'opinions of the spirit of wisdom', a Middle Persian book which was written about 8th century.It comprises the replies of that spirit to sixty-two inquiries, or groups of inquiries, made by a certain wise man regarding various subjects connected with the Zoroastrian religion. This treatise contains about 11,000 words, and was long known, like the Shikand-gumanic Vichar (53), only through its Pazand version, prepared by a Persian zoroastrian writer, Neryosang in middle age.