Al-Baqarah · Ayah 12
أَلَآ إِنَّهُمْ هُمُ ٱلْمُفْسِدُونَ وَلَٰكِن لَّا يَشْعُرُونَ
Unquestionably, it is they who are the corrupters, but they perceive [it] not.
Quran 2:12 (Al-Baqarah) · Saheeh International, Noor International Center (QuranEnc v1.1.2)