“This is He who came by water and blood – Jesus Christ; not only by water, but by water and blood. And it is the Spirit who bears witness, because the Spirit is truth.” 1 John 5:6.
“…and every spirit that does not confess that Jesus Christ has come in the flesh is not of God. And this is the spirit of the Antichrist, which you have heard was coming, and is now already in the world.” 1 John 4:3
“You are of God, little children, and have overcome them [instruments, spirits of the Antichrist], because He who is in you is greater than he who is in the world.” 1 John 4:4.