Surah Al-An'am (The Cattle), Verse 8

وَقَالُوْا لَوْلَاۤ اُنْزِلَ عَلَیْهِ مَلَكٌ وَلَوْ اَنْزَلْنَا مَلَكًا لَّقُضِیَ الْاَمْرُ ثُمَّ لَا یُنْظَرُوْنَ ۟

Wa qaaloo law laaa unzila alaihi malakunw wa law anzalna malakal laqudiyal amru summa laa yunzaroon

“They say: "Why is not an angel sent down to him?" If we did send down an angel, the matter would be settled at once, and no respite would be granted them.”

Quran 6:8 (Yusuf Ali Translation)