Quran 25:51 from Surah Al-Furqaan on Divine Marvels.
وَلَوۡ شِئۡنَا لَبَعَثۡنَا فِي كُلِّ قَرۡيَةٖ نَّذِيرٗا
English translation: And if We willed surely We (would) have raised in every town a warner
Transliteration: walaw shi'na laba'athna fi kulli qaryatin nadhiran