The hostile in the guidance of the good of the servants increased a book written by Ibn Qayyim al -Jawziya in five volumes, which deals with jurisprudence, its origins, biography and history, in which he mentioned the biography of the Messenger ﷺ in his conquests and life, and showed his gift in his livelihood, his worship and his treatment of his companions and his enemies. He wrote these books while traveling, and there were no sources with him, including the hadiths, sayings and opinions he needed related to the topics of the book. Knowing that Ibn al -Qayyim used to memorize the Musnad of Imam Ahmad bin Hanbal, which includes more than thirty thousand hadiths