3 and every spirit which does not confess Jesus is not of God. And this is the [spirit] of anti-christ, of which you have heard that he is coming, and he is now in the world already.
1 John 4:3 Cross References - Sawyer
2 Thessalonians 2:3-8
3 Let no one deceive you in any way, for [he shall not come] unless the apostacy comes first, and the man of sin is revealed, the son of destruction,
4 who opposes and exalts himself above every thing that is called a god or an object of worship, so that he sits in the temple of God, showing himself that he is God.
5 Do you not remember that when I was with you I told you of these things?
6 And now you know what hinders him from being revealed in his time.
7 For the mystery of wickedness already works, [God] only restrains it just now, till it shall be out of the way;
8 and then shall the wicked one be revealed, whom the Lord will consume with the breath of his mouth and destroy with the brightness of his coming,
1 John 2:18
18 (1:6) Little children, it is the last time; and as you heard that antichrist is coming, even now many have become anti-christs; whence we know that it is the last time.
1 John 2:22
22 Who is a liar but he that denies that Jesus is the Christ? This is the anti-christ, [the man that] denies the Father and the Son.
2 John 1:7
7 For many deceivers have gone out into the world, who do not confess Jesus Christ coming in the flesh; this is the deceiver, and the antichrist.