Qur'an 36:9 · Yaseen

وَجَعَلْنَا مِنۢ بَيْنِ أَيْدِيهِمْ سَدًّۭا وَمِنْ خَلْفِهِمْ سَدًّۭا فَأَغْشَيْنَٰهُمْ فَهُمْ لَا يُبْصِرُونَ

(9) And We have put before them a barrier and behind them a barrier and covered them, so they do not see.