The literature of the book: Among the people who say: "The writer's literature." Al -Suli wrote it in the time of the one who is satisfied with God, as he understood from what he wrote in the chapter "What people write today today." He said in the introduction: «This book we wrote in what the book needs the degree of the degree, and the least in it is a status. And make him comprehensive for everything that the writer needs, so that he can only count on him. "