وَعَنْ أَبِي هُرَيْرَةَ عَنِ
النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ: «الْإِيمَانُ قَيَّدَ الْفَتْكَ لَا يفتِكُ مُؤمنٌ»
The Prophet (sallallahu alayhi wa sallam) said:, “Faith is an assurance of safety from being killed unawares. A believer does not kill another unawares.”
Mishkat al-Masabih 3405, Book 17, Retaliation, Hadith 94. 1 min read