Question:

In 2 John 10 we read, “If there come any unto you and bring not this doctrine [that is, the doctrine of Christ, verse 9], receive him not into your house, neither bid him God-speed.”  What exactly is “the doctrine of Christ” in this passage?

Verse 7 gives the answer: “Many deceivers are entered into the world who confess not that Jesus Christ is come in the flesh.”  Verse 10 says, “Neither bid him God speed” or greet him.  Is this cruel?  No, such a person’s beliefs are against my Saviour.  He is an enemy of the Cross.