2 John 1:10 KJV
If there come any unto you, and bring not this doctrine, receive him not into your house, neither bid him God speed:
2 John 1:8–12 KJV Chapter Context
8
Look to yourselves, that we lose not those things which we have wrought, but that we receive a full reward.
9
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.
10
If there come any unto you, and bring not this doctrine, receive him not into your house, neither bid him God speed:
11
For he that biddeth him God speed is partaker of his evil deeds.
12
Having many things to write unto you, I would not write with paper and ink: but I trust to come unto you, and speak face to face, that our joy may be full.