we put veils over their hearts to prevent them from comprehending it and we afflict their ears with deafness. when you mention your one and only lord in your recitation of the quran they turn their backs in aversion.
وجعلنا على قلوبهم أكنة أن يفقهوه وفي آذانهم وقرا وإذا ذكرت ربك في القرآن وحده ولوا على أدبارهم نفورا