The Saying of the prophet (saws): "Whoever bears weapons against us is not one of us." Sahih Muslim 99
Arabic hadith text
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، وَابْنُ، نُمَيْرٍ قَالاَ حَدَّثَنَا مُصْعَبٌ، - وَهُوَ ابْنُ الْمِقْدَامِ - حَدَّثَنَا عِكْرِمَةُ بْنُ عَمَّارٍ، عَنْ إِيَاسِ بْنِ سَلَمَةَ، عَنْ أَبِيهِ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ "مَنْ سَلَّ عَلَيْنَا السَّيْفَ فَلَيْسَ مِنَّا "
Translation
Iyas b. Salama narrated from his father that the Apostle (ﷺ) observed
He who draws the sword against us is not of us.