لِيَكْفُرُوا بِمَآ ءَاتَيْنَـٰهُمْ ۚ فَتَمَتَّعُوا فَسَوْفَ تَعْلَمُونَ

Liyakfuroo bima ataynahumfatamattaAAoo fasawfa taAAlamoon

So that they will deny what We have granted them. Then enjoy yourselves, for you are going to know.