Al-Baqarah 2:12

Medinan · The Cow

أَلَآ إِنَّهُمْ هُمُ ٱلْمُفْسِدُونَ وَلَـٰكِن لَّا يَشْعُرُونَ

Unquestionably, it is they who are the corrupters, but they perceive [it] not