Ingratitude and rejection of divine blessings

لِيَكْفُرُوا۟ بِمَآ ءَاتَيْنَـٰهُمْ وَلِيَتَمَتَّعُوا۟ ۖ فَسَوْفَ يَعْلَمُونَ

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