1 John 5:6 in the King James Version
This is he that came by water and blood, even Jesus Christ; not by water only, but by water and blood. And it is the Spirit that beareth witness, because the Spirit is truth.
Context
5 Who is he who overcomes the world, but he who believes that Jesus is the Son of God?
6 This is he who came by water and blood, Jesus Christ; not with the water only, but with the water and the blood. It is the Spirit who testifies, because the Spirit is the truth.
7 For there are three who testify: