ذَٰلِكَ أَن لَّمْ يَكُن رَّبُّكَ مُهْلِكَ ٱلْقُرَىٰ بِظُلْمٍ وَأَهْلُهَا غَـٰفِلُونَ

Thalika an lam yakun rabbuka muhlikaalqura bithulmin waahluha ghafiloon

That is because your Lord would not destroy the cities for wrongdoing while their people were unaware.