2 John 1:9
King James Version
“Whosoever transgresseth, and abideth not in the doctrine of Christ, hath not God. He that abideth in the doctrine of Christ, he hath both the Father and the Son.”
Context
6And this is love, that we walk after his commandments. This is the commandment, That, as ye have heard from the beginning, ye should walk in it.
7For many deceivers are entered into the world, who confess not that Jesus Christ is come in the flesh. This is a deceiver and an antichrist.
8Look to yourselves, that we lose not those things which we have wrought, but that we receive a full reward.
9Whosoever transgresseth, and abideth not in the doctrine of Christ, hath not God. He that abideth in the doctrine of Christ, he hath both the Father and the Son.
10If there come any unto you, and bring not this doctrine, receive him not into house, neither bid him God speed:
11For he that biddeth him God speed is partaker of his evil deeds.
12Having many things to write unto you, I would not with paper and ink: but I trust to come unto you, and speak face to face, that our joy may be full.