Surah An-Nisa Verse 155 - English Translation by A. J. Arberry
Surah An-Nisaفَبِمَا نَقۡضِهِم مِّيثَٰقَهُمۡ وَكُفۡرِهِم بِـَٔايَٰتِ ٱللَّهِ وَقَتۡلِهِمُ ٱلۡأَنۢبِيَآءَ بِغَيۡرِ حَقّٖ وَقَوۡلِهِمۡ قُلُوبُنَا غُلۡفُۢۚ بَلۡ طَبَعَ ٱللَّهُ عَلَيۡهَا بِكُفۡرِهِمۡ فَلَا يُؤۡمِنُونَ إِلَّا قَلِيلٗا
So, for their breaking the compact, and disbelieving in the signs of God, and slaying the Prophets without right, and for their saying, 'Our hearts are uncircumcised' -- nay, but God sealed them for their unbelief, so they believe not, except a few