ذَٰلِكَ بِأَنَّهُمۡ ءَامَنُواْ ثُمَّ كَفَرُواْ فَطُبِعَ عَلَىٰ قُلُوبِهِمۡ فَهُمۡ لَا يَفۡقَهُونَ
That (is) because they (E) believed, then they disbelieved, so (it) was stamped/sealed on their hearts/minds , so they do not understand/learn
Author: Literal