لِيَكْفُرُوا بِمَآ ءَاتَيْنَـٰهُمْ وَلِيَتَمَتَّعُوا ۖ فَسَوْفَ يَعْلَمُونَ

Liyakfuroo bima ataynahumwaliyatamattaAAoo fasawfa yaAAlamoon

So that they will deny what We have granted them, and they will enjoy themselves. But they are going to know.