أَلَا إِنَّهُمْ هُمُ الْمُفْسِدُونَ وَلَٰكِنْ لَا يَشْعُرُونَ

Surah Al-Baqarah : 12
Unquestionably, it is they who are the corrupters, but they perceive [it] not.

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