regret in the Hereafter

يُبَصَّرُونَهُمْ ۚ يَوَدُّ ٱلْمُجْرِمُ لَوْ يَفْتَدِى مِنْ عَذَابِ يَوْمِئِذٍۭ بِبَنِيهِ

They will be shown each other. The criminal will wish that he could be ransomed from the punishment of that Day by his children.

وَكُنَّا نُكَذِّبُ بِيَوْمِ ٱلدِّينِ

And we used to deny the Day of Recompense