كَانُواْ لَا يَتَنَاهَوۡنَ عَن مُّنكَرٖ فَعَلُوهُۚ لَبِئۡسَ مَا كَانُواْ يَفۡعَلُونَ

Kaanoo laa yatanaahawna 'am munkarin fa'alooh; labi'sa maa kaanoo yafa'loon

Nor did they (usually) forbid one another the iniquities which they committed: evil indeed were the deeds which they did.

— Al-Mai'dah (ٱلْمَائِدَة), 5:79