3ذٰلِكَ بِأَنَّهُم آمَنوا ثُمَّ كَفَروا فَطُبِعَ عَلىٰ قُلوبِهِم فَهُم لا يَفقَهونَ(Saheeh International)That is because they believed, and then they disbelieved; so their hearts were sealed over, and they do not understand.