Matthew 26:52
Then Jesus said to him, "Put your sword back where it belongs, for all who wield the sword will die by the sword.
Revelation 13:10
Whoever leads others into captivity will go into captivity himself. Whoever kills with the sword must be killed with the sword himself. In this way will be shown the patient endurance and the fidelity of God's people.
James 3:9
With it we bless the Lord and Father, and with it we curse men who are made in God's likeness.
Romans 13:4
For the civil authorities are God's servants to do you good. But if you practice doing wrong, you should dread them, for they do not wield the sword for nothing. Indeed, they are God's servants to inflict punishment upon people who do wrong.