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.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
ahmad:16904 – Yaʿqūb

[Machine] In it, beware of flattery, as it is like slaughter.  

أحمد:١٦٩٠٤ – حَدَّثَنَاهُ يَعْقُوبُ قَالَ

فِيهِ وَإِيَّاكُمْ وَالتَّمَادُحَ فَإِنَّهُ الذَّبْحُ  

See similar narrations below:

Collected by Ibn Mājah, Suyūṭī
ibnmajah:3743 – Abū Bakr b. Abū Shaybah > Ghundar > Shuʿbah > Saʿd b. Ibrāhīm b. ʿAbd al-Raḥman b. ʿAwf > Maʿbad al-Juhanī > Muʿāwiyah

"I heard the Messenger of Allah ﷺ say: 'Beware of praising one another, for it is slaughtering (one another).'"  

ابن ماجة:٣٧٤٣ – حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ حَدَّثَنَا غُنْدَرٌ عَنْ شُعْبَةَ عَنْ سَعْدِ بْنِ إِبْرَاهِيمَ بْنِ عَبْدِ الرَّحْمَنِ بْنِ عَوْفٍ عَنْ مَعْبَدٍ الْجُهَنِيِّ عَنْ مُعَاوِيَةَ قَالَ

سَمِعْتُ رَسُولَ اللَّهِ ﷺ يَقُولُ إِيَّاكُمْ وَالتَّمَادُحَ فَإِنَّهُ الذَّبْحُ  

suyuti:9304a –
Request/Fix translation

  

السيوطي:٩٣٠٤a –

"إِيَّاكُمْ وَالتمَادُحَ؛ فإِنَّهُ الذَّبْحُ ".  

[حم] أحمد [هـ] ابن ماجة وابن جرير في تهذيبه، [طب] الطبرانى في الكبير [هب] البيهقى في شعب الإيمان عن معاوية