Matthew 26:52
"Sheathe your sword," Jesus said, "for all who draw the sword will be put to the sword.
Revelation 13:10
'Whoever is destined for captivity goes into captivity.' Whoever shall kill with the sword must inevitably be killed with the sword. (Here there is need for endurance and faith on the part of Christ's People.)
James 3:9
With it we bless our Lord and Father, and with it we curse men who are made 'in God's likeness.'
Romans 13:4
For they are God's servants appointed for your good. But, if you do what is wrong, you may well be afraid; for the sword they carry is not without meaning! They are God's servants to inflict his punishments on those who do wrong.