سورة Al-Baqarah 2:12

أَلَآ إِنَّهُمْ هُمُ ٱلْمُفْسِدُونَ وَلَـٰكِن لَّا يَشْعُرُونَ ١٢

Indeed, it is they who are the corruptors, but they fail to perceive it