قُل لَّوۡ كَانَ فِىۡ الۡاَرۡضِ مَلٰۤٮِٕكَةٌ يَّمۡشُوۡنَ مُطۡمَٮِٕنِّيۡنَ لَـنَزَّلۡنَا عَلَيۡهِمۡ مِّنَ السَّمَآءِ مَلَـكًا رَّسُوۡلاً
Say: ‘Had there been angels (instead of human beings) walking about, residing in the earth, then We (too) would have certainly sent down from heaven some angel as a Messenger.’