وَأَنَّ الَّذِينَ لَا يُؤْمِنُونَ بِالْآخِرَةِ أَعْتَدْنَا لَهُمْ عَذَابًا أَلِيمًا

As for those who do not believe in the Hereafter, We have prepared a painful punishment for them.