وَقَالُواْ لَوْلا أُنزِلَ عَلَيْهِ مَلَكٌ وَلَوْ أَنزَلْنَا مَلَكًا لَّقُضِيَ الأمْرُ ثُمَّ لاَ يُنظَرُونَ
And they say, "Why was there not sent down to him an angel?" But if We had sent down an angel, the matter would have been decided; then they would not be reprieved.