كَانُواْ لَا يَتَنَاهَوۡنَ عَن مُّنكَرٖ فَعَلُوهُۚ لَبِئۡسَ مَا كَانُواْ يَفۡعَلُونَ
Kaanoo laa yatanaahawna 'am munkarin fa'aluhoo; labi'sa maa kaanoo yafa'loon
English Translation
They used not to prevent one another from wrongdoing that they did. How wretched was that which they were doing
— Saheeh International