2:88
وَقَالُوا۟ قُلُوبُنَا غُلْفٌۢ ۚ بَل لَّعَنَهُمُ ٱللَّهُ بِكُفْرِهِمْ فَقَلِيلًا مَّا يُؤْمِنُونَ٨٨
And they said, "Our hearts are wrapped."1 But, [in fact], Allāh has cursed them for their disbelief, so little is it that they believe.
— Saheeh International