كتاب الفتن
Read the English translation first, with the original Arabic directly underneath.
Narrated `Abdullah bin `Umar:
Allah's Messenger (ﷺ) said, "Whoever takes up arms against us, is not from us."
مَنْ حَمَلَ عَلَيْنَا السِّلاَحَ فَلَيْسَ مِنَّا