أَلا إِنَّهُمْ هُمُ الْمُفْسِدُونَ وَلَـكِن لاَّ يَشْعُرُونَ
[2:12]
Now surely they themselves are the mischief makers, but they do not perceive.
Of a surety, they are the ones who make mischief, but they realise (it) not.
Are not they indeed the mischief-makers? But they perceive not.