Insights of people with discrimination in the sects of the dear book

The book of insights with discrimination, whose author is Muhammad bin Yaqoub Al -Feruzabadi, who died in 817 AH, the author dealt with a number of sciences such as: the interpretation of the Great Qur'an, the science of the hadith and its dependencies, the sciences of knowledge and facts, and in jurisprudence and its origins, as well as the science of controversy, language, industries, etc., through fifty -six A destination mentioned by the author in the release of his book. The author of the book from the imams of language and literature, a judge, was the reference of his time in language, hadith and interpretation, he moved to Shiraz and took from its scholars, and he continued with a twenty years, and during this period Makkah was presented repeatedly in the city and sects.