The Key to ParadiseWhen the Messenger of Allah (salallahu alaihi wa salam) was sent to the polytheists to call to this statement, None has that right to be worshiped save Allah, that understood something from it that made them reject it, opposed the Messenger, and all those who believed in it. What was this understanding? Was it the understanding that Allah existed and was One? They already believed in this. They believed that He was the Creator, Nourisher, Sustainer,