Surah Al-Ma'idah 5:79
كَانُوا۟ لَا يَتَنَاهَوْنَ عَن مُّنكَرٍ فَعَلُوهُ ۚ لَبِئْسَ مَا كَانُوا۟ يَفْعَلُونَ ٧٩
EnglishSahih International
They used not to prevent one another from wrongdoing that they did. How wretched was that which they were doing.