The punishment of those who reject signs

خَتَمَ ٱللَّهُ عَلَىٰ قُلُوبِهِمْ وَعَلَىٰ سَمْعِهِمْ ۖ وَعَلَىٰٓ أَبْصَـٰرِهِمْ غِشَـٰوَةٌ ۖ وَلَهُمْ عَذَابٌ عَظِيمٌ

Allāh 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.