Qur'an 36:9

وَجَعَلْنَا مِنۢ بَيْنِ أَيْدِيهِمْ سَدًّا وَمِنْ خَلْفِهِمْ سَدًّا فَأَغْشَيْنَـٰهُمْ فَهُمْ لَا يُبْصِرُونَ

“And We have put before them a barrier and behind them a barrier and covered them, so they do not see.”

Yaseen 36:9 · Saheeh International