Quran 6:9 Al-An'am, ayah 9 of 165

وَلَوْ جَعَلْنَـٰهُ مَلَكًا لَّجَعَلْنَـٰهُ رَجُلًا وَلَلَبَسْنَا عَلَيْهِم مَّا يَلْبِسُونَ ۝٩

6:9 Had we appointed him (Our messenger) an angel, We assuredly had made him (as) a man (that he might speak to men); and (thus) obscured for them (the truth) they (now) obscure.