وَجَعَلْنَا عَلَىٰ قُلُوبِهِمْ أَكِنَّةً أَن يَفْقَهُوهُ وَفِىٓ ءَاذَانِهِمْ وَقْرًا ۚ وَإِذَا ذَكَرْتَ رَبَّكَ فِى ٱلْقُرْءَانِ وَحْدَهُۥ وَلَّوْا۟ عَلَىٰٓ أَدْبَـٰرِهِمْ نُفُورًا
wajaʿalnā ʿalā qulūbihim akinnatan an yafqahūhu wafī ādhānihim waqran wa-idhā dhakarta rabbaka fī l-qur'āni waḥdahu wallaw ʿalā adbārihim nufūran
We have put covers on their hearts that prevent them from understanding it, and heaviness in their ears. When you mention your Lord in the Quran, and Him alone, they turn their backs and run away.
And We have put coverings over their hearts lest they should understand it (the Qur’ân), and in their ears deafness. And when you make mention of your Lord Alone [Lâ ilâha illallâh (none has the right to be worshipped but Allâh) Islâmic Monotheism (توحيد الله)] in the Qur’ân, they turn on their backs, fleeing in extreme dislike.