The Prophet said: "Whoever bears weapons against us, he is not one of us."
Sunan an-Nasa'i Book 37, Hadith 135
← Previous Hadith "Whoever wields a weapon and starts to strike (the people) with it, it is permissible to shed his blood."

Sunan an-Nasa'i Book 37, Hadith 134 Next Hadith → "When 'Ali was in Yemen, he sent some gold that was still enclosed in rock to the Prophet ) said: 'Among the offspring of this man there will be people who will recite the Qur'an but it will not go beyond their throats, and they will go out of Islam as an arrow goes through the target. They will kill the Muslims and leave the idol-worshippers alone. If I live to see them, I will kill them as the killing of 'Ad.'"

Sunan an-Nasa'i Book 37, Hadith 136