Take heed, brothers, lest there be in any of you an evil heart of unbelief, in departing from the living God.

And there was war in Heaven. Michael and his angels warring against the dragon. And the dragon and his angels warred, but did not prevail. Nor was place found for them in Heaven any more. And the great dragon was cast out, the old serpent called Devil, and Satan, who deceives the whole world. He was cast out into the earth, and his angels were cast out with him.

For if God did not spare sinning angels, but thrust them down into Tartarus, and delivered them into chains of darkness, being reserved to judgment.

Know this also, that in the last days grievous times will be at hand. For men will be self-lovers, money-lovers, boasters, proud, blasphemers, disobedient to parents, unthankful, unholy, without natural affection, unyielding, false accusers, without self-control, savage, despisers of good,read more.
traitors, reckless, puffed up, lovers of pleasure rather than lovers of God, having a form of godliness, but denying the power of it; even turn away from these.

And they are informed concerning you, that you teach all the Jews who are among the nations to forsake Moses, saying that they ought not to circumcise their children, nor to walk after the customs.

Let not anyone deceive you by any means. For that Day shall not come unless there first comes a falling away, and the man of sin shall be revealed, the son of perdition,