adab:395 – Abu Hurayra reported that the Prophet, may Allah bless him and grant him peace, said, "There are two courses that my Community will not abandon: wailing and attacking a person's lineage." الأدب المفرد:٣٩٥ – حَدَّثَنَا أَبُو عَاصِمٍ عَنِ ابْنِ عَجْلاَنَ عَنْ أَبِيهِ عَنْ أَبِي هُرَيْرَةَ عَنِ النَّبِيِّ ﷺ قَالَ شُعْبَتَانِ لاَ تَتْرُكُهُمَا أُمَّتِي النِّيَاحَةُ وَالطَّعْنُ فِي الأَنْسَابِ