Surah Al-Isra Verse 46 - English Translation by The Monotheist Group Edition
Surah Al-Israوَجَعَلۡنَا عَلَىٰ قُلُوبِهِمۡ أَكِنَّةً أَن يَفۡقَهُوهُ وَفِيٓ ءَاذَانِهِمۡ وَقۡرٗاۚ وَإِذَا ذَكَرۡتَ رَبَّكَ فِي ٱلۡقُرۡءَانِ وَحۡدَهُۥ وَلَّوۡاْ عَلَىٰٓ أَدۡبَٰرِهِمۡ نُفُورٗا
And we place shields over their hearts, that they should not understand it, and a deafness in their ears. And if you mention your Lord in the Qur'an alone, they run away turning their backs in aversion