as for `ad they were arrogant in the land without right and they said who is mightier than us in strength see they not that allah who created them was mightier in strength than them. and they used to deny our ayat!
فأما عاد فاستكبروا في الأرض بغير الحق وقالوا من أشد منا قوة أولم يروا أن الله الذي خلقهم هو أشد منهم قوة وكانوا بآياتنا يجحدون