Jesus Christ is Come in the Flesh

Who can you trust?

Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world. Hereby know ye the Spirit of God: Every spirit that confesseth that Jesus Christ is come in the flesh is of God: And every spirit that confesseth not that Jesus Christ is come in the flesh is not of God: and this is that spirit of antichrist, whereof ye have heard that it should come; and even now already is it in the world.
- 1 John 4:1-3 (KJV)

Some things can only be said by the Holy Spirit.

Wherefore I give you to understand, that no man speaking by the Spirit of God calleth Jesus accursed: and that no man can say that Jesus is the Lord, but by the Holy Ghost.
- 1 Corinthians 12:3 (KJV)

Testing the spirits is vital.

Whosoever shall confess that Jesus is the Son of God, God dwelleth in him, and he in God.
- 1 John 4:15 (KJV)