ذَٰلِكَ بِأَنَّهُمۡ ءَامَنُواْ ثُمَّ كَفَرُواْ فَطُبِعَ عَلَىٰ قُلُوبِهِمۡ فَهُمۡ لَا يَفۡقَهُونَ
That is for that they believed; thereafter they disbelieved; then their hearts have been stamped upon, (i.e., sealed) so they do not comprehend
Author: Muhammad Mahmoud Ghali