ذَلِكَ بِأَنَّهُمْ آمَنُوا ثُمَّ كَفَرُوا فَطُبِعَ عَلَى قُلُوبِهِمْ فَهُمْ لَا يَفْقَهُونَ
﴿٣﴾
سورة الـمنافقون
(63/3) That is, because they believed, and thereafter disbelieved, wherefore their hearts are sealed, so that they understand not.
Surah Al-Munafiqun