"Sell your cloak and buy a sword." That was said in the context of being persecuted for spreading the Gospel. Jesus flipped tables and whipped those desecrating His Father's House. There's two examples.

Also, He will be returning with a sword in His mouth. He's a King. He will defeat evil with the hosts of heaven. Depending on your reading of Revelation, that may likely include us believers. Waging war. That's pretty effing violent, in case you didn't know. Also, since you don't seem to be aware, ...