Allah has set a seal upon their hearts and upon their hearing, and over their vision is a veil. And for them is a great punishment.
The Saheeh International Quran Translation
خَتَمَ ٱللَّهُ عَلَىٰ قُلُوبِهِمْ وَعَلَىٰ سَمْعِهِمْ وَعَلَىٰٓ أَبْصَٰرِهِمْ غِشَٰوَةٌ وَلَهُمْ عَذَابٌ عَظِيمٌAllah has set a seal upon their hearts and upon their hearing, and over their vision is a veil. And for them is a great punishment.