36:9
وَجَعَلْنَامِنۢبَيْنِأَيْدِيهِمْسَدًّاوَمِنْخَلْفِهِمْسَدًّافَأَغْشَيْنَٰهُمْفَهُمْلَايُبْصِرُونَ٩
wajaʿalnā min bayni aydīhim saddan wamin khalfihim saddan fa-aghshaynāhum fahum lā yub'ṣirūna
And We have put before them a barrier and behind them a barrier and covered them, so they do not see.(9)