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
suyuti:20070a – ʿAlī

[Machine] "Whoever harms a single hair of mine has harmed me, and whoever has harmed me has harmed Allah the Almighty."  

السيوطي:٢٠٠٧٠a – عن علي

"مَنْ آذَى شَعْرةً مِنِّي فَقَدْ آذَانِى، ومن آذَانِى فَقَد آذَى الله تَعالى".  

ابن عساكر عن علي

See similar narrations below:

Collected by Suyūṭī