وَيَحْلِفُونَ بِاللَّهِ إِنَّهُمْ لَمِنْكُمْ وَمَا هُمْ مِنْكُمْ وَلَٰكِنَّهُمْ قَوْمٌ يَفْرَقُونَ 56
They swear by Allah that they are indeed of you; but they are not of you: yet they are afraid (to appear in their true colours).