because of their breaking the covenant and of their rejecting the ayat of allah and of their killing the prophets unjustly and of their saying our hearts are wrapped nay allah has set a seal upon their hearts because of their disbelief so they believe not but a little.
فبما نقضهم ميثاقهم وكفرهم بآيات الله وقتلهم الأنبياء بغير حق وقولهم قلوبنا غلف بل طبع الله عليها بكفرهم فلا يؤمنون إلا قليلا