'Fighting' in the Bible

Jesus answered, “My kingdom is not of this world. If My kingdom were of this world, then My servants would be fighting so that I would not be handed over to the Jews; but as it is, My kingdom is not of this realm.”

but if it is of God, you will not be able to overthrow them; or else you may even be found fighting against God.”

On the following day he appeared to them as they were fighting together, and he tried to reconcile them in peace, saying, ‘Men, you are brethren, why do you injure one another?’