5:79
كَانُوا۟ لَا يَتَنَاهَوْنَ عَن مُّنكَرٍۢ فَعَلُوهُ ۚ لَبِئْسَ مَا كَانُوا۟ يَفْعَلُونَ
Kaanoo laa yatanaahawna 'am munkarin fa'aluhoo; labi'sa maa kaanoo yafa'loon
They used not to forbid each other the hateful things (which) they did; certainly evil was that which they did.
