So the knowledge of the Arabs appeared over the non-Arabs, for the non-Arabs who calculate their calculations by the sun give priority to the day over the night, and they have a face to this verse, which is his saying, “So, when they are dark,” and a letter indicates the time of the situation or the arrival, and what is described as being dark is only in the presence of the night in this verse, so the day was a cover for it, then It was removed from it, that is, it was removed, and then they were dark, that is, the night appeared, which was ruled by darkness, and then the people were dark.