وَقَالُوا لَوْلَآ أُنزِلَ عَلَيْهِ مَلَكٌ ۖ وَلَوْ أَنزَلْنَا مَلَكًا لَّقُضِىَ ٱلْأَمْرُ ثُمَّ لَا يُنظَرُونَ

Waqaloo lawla onzila AAalayhimalakun walaw anzalna malakan laqudiya al-amruthumma la yuntharoon

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.