﴿ لِيَكْفُرُوا۟ بِمَآ ءَاتَيْنَٰهُمْ ۚ فَتَمَتَّعُوا۟ فَسَوْفَ تَعْلَمُونَ ﴾

“[as if] to prove their ingratitude for all that We have granted them! Enjoy, then, your [brief] life: but in time you will come to know [the truth]!”

Please check ayah 30:37 for complete tafsir.