Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
ahmad:8905Aswad b. ʿĀmir > Abū Bakr > al-Aʿmash > Abū Ṣāliḥ > Abū Hurayrah

[Machine] The Prophet ﷺ used to say that there are two things that are considered disbelief: wailing and slandering lineage.  

أحمد:٨٩٠٥حَدَّثَنَا أَسْوَدُ بْنُ عَامِرٍ حَدَّثَنَا أَبُو بَكْرٍ عَنِ الْأَعْمَشِ عَنْ أَبِي صَالِحٍ عَنْ أَبِي هُرَيْرَةَ قَالَ

كَانَ رَسُولُ اللهِ ﷺ يَقُولُ اثْنَانِ هُمَا كُفْرٌ النِّيَاحَةُ وَالطَّعْنُ فِي النَّسَبِ  


See similar narrations below:

Collected by Aḥmad
ahmad:9690Muḥammad b. ʿUbayd > al-Aʿmash > Abū Ṣāliḥ > Abū Hurayrah

[Machine] The Messenger of Allah ﷺ said, "There are two things among people that are considered as disbelief: mourning loudly for the deceased and insulting lineage."  

أحمد:٩٦٩٠حَدَّثَنَا مُحَمَّدُ بْنُ عُبَيْدٍ قَالَ حَدَّثَنَا الْأَعْمَشُ عَنْ أَبِي صَالِحٍ عَنْ أَبِي هُرَيْرَةَ قَالَ

قَالَ رَسُولُ اللهِ ﷺ ثِنْتَانِ هُمَا بِالنَّاسِ كُفْرٌ نِيَاحَةٌ عَلَى الْمَيِّتِ وَطَعْنٌ فِي النَّسَبِ