'Sword' in the Bible

“Do not think that I came to bring peace on the earth; I did not come to bring peace, but a sword.

And behold, one of those who were with Jesus reached and drew out his sword, and struck the slave of the high priest and cut off his ear.

Then Jesus *said to him, “Put your sword back into its place; for all those who take up the sword shall perish by the sword.