Sura 54 Al-Qamar (The Moon), aya 18

1. كَذَّبَتْ عَادٌ فَكَيْفَ كَانَ عَذَابِي وَنُذُرِ

   'Aad denied; and how (severe) were My punishment and warning.

   54:18

Tafsiri: Saheeh International