Sura al-Nisāʾ 4:155

فَبِمَا نَقْضِهِم مِّيثَٰقَهُمْ وَكُفْرِهِم بِـَٔايَٰتِ ٱللَّـهِ وَقَتْلِهِمُ ٱلْأَنۢبِيَآءَ بِغَيْرِ حَقٍّ وَقَوْلِهِمْ قُلُوبُنَا غُلْفٌۢ بَلْ طَبَعَ ٱللَّـهُ عَلَيْهَا بِكُفْرِهِمْ فَلَا يُؤْمِنُونَ إِلَّا قَلِيلًا

fa-bimā naqḍihim mīthāqahum wa-kufrihim bi-āyāti allāhi wa-qatlihimu l-anbiyāʾa bi-ghayri ḥaqqin wa-qawlihim qulūbunā ghulfun bal ṭabaʿa allāhu ʿalayhā bi-kufrihim fa-lā yuʾminūna illā qalīlan

(They have incurred divine displeasure): In that they broke their covenant; that they rejected the signs of Allah; that they slew the Messengers in defiance of right; that they said, "Our hearts are the wrappings (which preserve Allah's Word; We need no more)";- Nay, Allah hath set the seal on their hearts for their blasphemy, and little is it they believe;-