﴿وَقَالُوا قُلُوبُنَا غُلْفٌ ۚ بَلْ لَعَنَهُمُ اللَّهُ بِكُفْرِهِمْ فَقَلِيلًا مَا يُؤْمِنُونَ﴾
88. And they say, "Our hearts are wrapped (i.e. do not hear or understand Allâh’s Word). " Nay, Allâh has cursed them for their disbelief, so little is that which they believe.