When they are told, “You shall believe in these revelations of God,” they say, “We believe only in what was sent down to us.” Thus, they disbelieve in subsequent revelations, even if it is the truth from their Lord, and even though it confirms what they have! Say, “Why then did you kill God’s prophets, if you were believers?”
وَإِذا قيلَ لَهُم ءامِنوا بِما أَنزَلَ اللَّهُ قالوا نُؤمِنُ بِما أُنزِلَ عَلَينا وَيَكفُرونَ بِما وَراءَهُ وَهُوَ الحَقُّ مُصَدِّقًا لِما مَعَهُم قُل فَلِمَ تَقتُلونَ أَنبِياءَ اللَّهِ مِن قَبلُ إِن كُنتُم مُؤمِنينَ
wa izaa qeela lahum aaminoo bimaaa anzalal laahu qaaloo nu’minu bimaaa unzila ‘alainaa wa yakfuroona bimaa waraaa’ahoo wa huwal haqqu musaddiqal limaa ma’ahum; qul falima taqtuloona Ambiyaaa’al laahi min qablu in kuntum mu’mineen