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
tabarani:488 – ʿUbayd b. Ghannām > Abū Bakr b. Abū Shaybah > Muḥammad b. Bishr > Mujālid > Ziyād b. ʿIlāqah > Usāmah b. Sharīk

[Machine] The Messenger of Allah ﷺ said, "Whoever causes division among my Ummah (nation) while they are all united, strike his head, regardless of who he may be."  

الطبراني:٤٨٨ – حَدَّثَنَا عُبَيْدُ بْنُ غَنَّامٍ ثنا أَبُو بَكْرُ بْنُ أَبِي شَيْبَةَ ثنا مُحَمَّدُ بْنُ بِشْرٍ عَنْ مُجَالِدٍ عَنْ زِيَادِ بْنِ عِلَاقَةَ عَنْ أُسَامَةَ بْنِ شَرِيكٍ قَالَ

قَالَ رَسُولُ اللهِ ﷺ «مَنْ فَرَّقَ بَيْنَ أُمَّتِي وَهُمْ جَمِيعٌ فَاضْرِبُوا رَأْسَهُ كَائِنًا مَنْ كَانَ»  

See similar narrations below:

Collected by Ṭabarānī, Suyūṭī
tabarani:14489 – ʿAlī b. ʿAbd al-ʿAzīz > ʿAmr b. ʿAwn > Haytham > al-ʿAwwām b. Ḥawshab And Mujālid > Ziyād b. ʿIlāqah > ʿArfajah a man from Qawmih

[Machine] The Messenger of Allah ﷺ said, "Whoever goes to my Ummah while they all want to differentiate between themselves, then kill him, no matter who he is."  

الطبراني:١٤٤٨٩ – حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ الْعَزِيزِ ثَنَا عَمْرُو بْنُ عَوْنٍ ثَنَا هَيْثَمٌ عَنِ الْعَوَّامِ بْنِ حَوْشَبٍ وَمُجَالِدٍ عَنْ زِيَادِ بْنِ عِلَاقَةَ عَنْ عَرْفَجَةَ رَجُلٍ مِن قَوْمِهِ قَالَ

قَالَ رَسُولُ اللهِ ﷺ «مَنْ مَشَى إِلَى أُمَّتِي وَهُم جَمِيعٌ يُرِيدٌ أَنْ يُفَرِّقَ بَيْنَهُمْ فَاقْتُلُوهُ كَائِنًا مَنْ كَانَ»