The books are based on faith, and among those who turn from the basin while it is flowing and the scales are heavy for him, and his feet are firmly established for him on the path, that he is the Benefactor and the Benefactor, so praise be to God who has guided us to this, and we would not have been guided had God not guided us. Indeed, the messengers of our Lord have come with the truth, so this is the doctrine of the common people of Islam. People of tradition And the people of theorizing, a brief summary.” Then I recite it, God willing, with the doctrine of the Shadi an-Nashiya, which I include in the abbreviation of economics, with the briefest phrase in which I point out the points of evidence for this religion, with many words, and I call it the message of the known among the doctrines of the people of charts, to make it easier for the student to memorize it. Then I recite it with the doctrine of the elite people of God, among the people of God’s path, among the investigators. People of revelation and existence, and I also abstracted it from another part, which I called knowledge, and with it the introduction to the book ended. As for declaring the doctrine of synthesis, I did not single it out for specificity, because of the ambiguity in it, but rather I brought it scattered in the chapters of this book, complete and clear, but as we mentioned, it is dispersed. Whoever God has granted him understanding of it knows its matter and distinguishes it from others. For it is true knowledge and truthful speech, and there is no goal behind it, and in it the seeing and the blind are equal, the farthest joins the lowest and the lowlies join the highest, and God is the Grantor, there is no Lord other than Him .