63:3ذَٰلِكَ بِأَنَّهُمْ ءَامَنُوا۟ ثُمَّ كَفَرُوا۟ فَطُبِعَ عَلَىٰ قُلُوبِهِمْ فَهُمْ لَا يَفْقَهُونَ٣That is because they believed, and then they disbelieved; so their hearts were sealed over, and they do not understand.— Saheeh International Tafsirs Lessons Reflections Hadith Related contentJuz 28 · Page 554