Al -Safdia is a book written by Ibn Taymiyyah in which he answered a fatwa and received from one of the questioners. Ibn Abd al -Hadi said in it: "A book is known as Safdia in response to the philosophers in their saying that the miracles of the prophets, peace be upon them, are psychological powers, and in the nullification of their saying with the feet of the world. According to the case, and in it there are rugs and honorable rules, what he knows who knows the words of people in this section.