36.يٰس

وَجَعَلۡنَا مِنۡۢ بَيۡنِ اَيۡدِيۡهِمۡ سَدًّا وَّمِنۡ خَلۡفِهِمۡ سَدًّا فَاَغۡشَيۡنٰهُمۡ فَهُمۡ لَا يُبۡصِرُوۡنَ‏

And We have set a wall before them and a wall behind them, and We have cast a veil over their eyes so they do not see anything.