The Book of Fighting [The Prohibition of Bloodshed]
Sunan an-Nasā'ī 4016
لاَ إِلَهَ إِلاَّ اللَّهُ وَأَنِّي رَسُولُ اللَّهِ إِلاَّ ثَلاَثَةُ نَفَرٍ التَّارِكُ لِلإِسْلاَمِ مُفَارِقُ الْجَمَاعَةِ وَالثَّيِّبُ الزَّانِي وَالنَّفْسُ بِالنَّفْسِ
lā ilaha illā-Llāh wa-annī rasūlu-Llāh illā thalāthah nafarin at-tāriku lilʾislāmi mufāriqu al-jamāʿah wa-ath-thayyibu az-zānī wa-an-nafsu bi-an-nafsi
Transliteration generated from the Arabic vowel marks
The full narration
It was narrated that 'Abdullah said:"The Messenger of Allah [SAW] said: 'By the One besides Whom there is no other god, it is not permissible to shed the blood of a Muslim who bears witness to La ilaha illalla (there is none worthy of worship except Allah) and that I am the Messenger of Allah, except in three cases: One who leaves Islam and splits away from the Jama'ah, a person who has been married and then commits adultery, and a life for a life
Source
Sunan an-Nasā'ī · 4016
- Abu Ghuddah: Sahih
- Al-Albani: Sahih
- Zubair Ali Zai: Sahih - Agreed Upon