Quran 2:12
أَلَا إِنَّهُمْ هُمُ الْمُفْسِدُونَ وَلَكِنْ لَا يَشْعُرُونَ
Yet they are surely mischief-mongers, even though they do not know.
Behold! They are themselves the agents of corruption, but they are not aware.
Pay heed! It is they who are mischievous, but they do not have sense.
Truly, they are the workers of corruption but they are not aware.
Beware, indeed they themselves (are) the ones who spread corruption, [and] but not they realize (it).
Lo! verily it is they who are the corrupters, and yet they perceive not.
Verily! They are the ones who make mischief, but they perceive not.
Beware! they do spread disorder but they realize it not.
They, certainly, are corrupt but do not realize it.
Now surely they themselves are the mischief makers, but they do not perceive.
Are not they indeed the mischief-makers? But they perceive not.
But it is they who are the evildoers, though they do not sense it.
Unquestionably, it is they who are the corrupters, but they perceive [it] not.
In fact, they are the troublemakers, but they are not aware.
but it is they who are really causing corruption, though they do not realize it.
Of a surety, they are the ones who make mischief, but they realise (it) not.