Matthew 26:52
Then Jesus saith to him, Put back thy sword into its place; for all they that take the sword will perish by the sword.
Revelation 13:10
If any one [leadeth] into captivity he shall go into captivity; if any one shall kill with the sword, he must be killed with the sword. Here is the endurance and the faith of the saints.
James 3:9
Therewith bless we the Lord and Father, and therewith curse we men, who have been made after the likeness of God;
Romans 13:4
for the ruler is Gods servant to thee for good. But if thou doest evil, be afraid; for he beareth not the sword in vain; for he is Gods servant, an avenger to inflict wrath upon him that doeth evil.