وَقَالُوا قُلُوبُنَا غُلْفٌ ۚ بَل لَّعَنَهُمُ اللَّهُ بِكُفْرِهِمْ فَقَلِيلًا مَّا يُؤْمِنُونَ
Wa qaaloo quloobunaa ghulf; bal la'anahumul laahu bikufrihim faqaleelan maa yu'minoon
And they said, "Our hearts are wrapped shut." Rather, God has cursed them for their denial, so little do they believe.