One of the most important writers of linguistic books visual Sibawayh is the first textbook coordinates and codifies the rules of the Arabic language. Bigeye and said of him that «people did not write the book as like him». A book in the second century of the Hijra of the eighth from birth. He called the book because the author left him without a title. Historically lump Sibawayh that certain unnamed spokesman, while scientists were in Dahrh Dahrh and by putting a name for each book, and may hasten its name as a dying young man, he was unable to revisit it and Astaatmamh, people have called the Koran old way. Seraphic said of him: He was a book Sibawayh to fame and virtues note when grammarians, was said to Basra: so and so read the book, a book that teaches Sibawayh. He said the Reus: Since I'm thirty years old fatwas people in the doctrine of the book Sibawayh.