Al-An‘âm 6:110
وَنُقَلِّبُ أَفْئِدَتَهُمْ وَأَبْصَارَهُمْ كَمَا لَمْ يُؤْمِنُوا بِهِ أَوَّلَ مَرَّةٍ وَنَذَرُهُمْ فِي طُغْيَانِهِمْ يَعْمَهُونَ ١١٠
Wanuqallibu afidatahum waabsarahum kama lam yuminoo bihi awwala marratin wanatharuhum fee tughyanihim yaAAmahoona
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“We confound their hearts and their eyes. As they believed not therein at the first, We let them wander blindly on in their contumacy.” (6:110)