'War' in the Bible

"Or suppose a king is going to war against another king. He will first sit down and consider whether with 10,000 men he can fight the one coming against him with 20,000 men, won't he?

but I see in my body a different principle waging war with the Law in my mind and making me a prisoner of the law of sin that exists in my body.

Who ever goes to war at his own expense? Who plants a vineyard and does not eat any of its grapes? Or who takes care of a flock and does not drink any of its milk?

Of course, we are living in the world, but we do not wage war in a world-like way.

Where do those fights and quarrels among you come from? They come from your selfish desires that are at war in your bodies, don't they?

Dear friends, I urge you as aliens and exiles to keep on abstaining from the desires of the flesh that wage war against the soul.

So repent. If you don't, I will come to you quickly and wage war against them with the sword of my mouth.

When they have finished their testimony, the beast that comes up from the bottomless pit will wage war against them, conquer them, and kill them.

Then a war broke out in heaven. Michael and his angels fought with the dragon, and the dragon and its angels fought back.

They worshipped the dragon because it had given authority to the beast. They also worshipped the beast, saying, "Who is like the beast, and who can fight a war with it?"

It was allowed to wage war against the saints and to conquer them. It was also given authority over every tribe, people, language, and nation.

They are demonic spirits that perform signs. They go to the kings of the whole earth and gather them for the war of the great Day of God Almighty.

They will wage war against the lamb, but the lamb will conquer them because he is Lord of lords and King of kings. Those who are called, chosen, and faithful are with him."

Then I saw heaven standing open, and there was a white horse! Its rider is named Faithful and True. He administers justice and wages war righteously.

Then I saw the beast, the kings of the earth, and their armies gathered to wage war against the rider on the horse and his army.

He will go out to deceive Gog and Magog, the nations at the four corners of the earth, and gather them for war. They are as numerous as the sands of the seashore.