8 Bible Verses about Spiritual Warfare, Causes Of

For God, indeed, did not spare the angels who sinned, but with chains of darkness confining them in Tartarus, delivered them over to be kept for judgment;

And there was war in heaven: Michael and his angels made war against the dragon; and the dragon made war, and his angels: nevertheless, they did not prevail, neither was place found for them any more in heaven. And thus the great dragon was cast out; even the old serpent called the Devil, and Satan, who deceives the world, was cast out to the earth; and his angels were cast out with him.

He who works sin, is of the devil; for the devil sins from the beginning. For this purpose, the Son of God was manifested, that he might destroy the works of the devil.

And when the dragon saw that he was cast out on the earth, he persecuted the woman who had brought forth the masculine child.

Fear none of the things which you shall suffer; behold, the devil will cast some of you into prison, that you may be tried; and you shall have tribulation ten days: be you faithful until death, and I will give you a crown of life.

And it was given to it to make war with the saints, and to overcome them: and there was given to it power over every tribe, and tongue, and nation.

And the dragon was enraged against the woman, and went away to make war against the remainder of her seed, who keep the commandments of God, and retain the testimony of Jesus Christ.

Be sober, be vigilant: your adversary, the devil, is walking about as a roaring lion, seeking whom he may devour: