el secreto No Further a Mystery
فكرة الكتاب بسيطة جدا وقد قال النبي صلي الله عليه وسلم (أنا عند ظن عبدى بى فليظن بى ماشاء إن خير فخير وإن شر فشرByrne goes previously mentioned and further than to let the ideas sink in by repeating the contents all around the e book, but that's not that uncommon