كَانُوا لَا يَتَنَاهَوْنَ عَنْ مُنْكَرٍ فَعَلُوهُ ۚ لَبِئْسَ مَا كَانُوا يَفْعَلُونَ

Surah Al-Maidah : 79
They used not to prevent one another from wrongdoing that they did. How wretched was that which they were doing.

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