He is the leader of the muftis and the chief of the questioners on the Shafi'i school of thought. This is due to the durability of his phrase, the abundance of his material, and the completeness of his statement, as his compiler relied on extracting his material on the approved as he said: “Our companions, may God have mercy on them, have made a lot of classification from simplifications and abbreviations. Approved by the mufti and others among the first of desires. Then he said: “I saw that it should be reduced to about half its size, so that it would be easy to memorize it with what I add to it, God Almighty willing, from the valuable new things.”