 God the Son voluntarily became the Son of God, to which the Spirit, the water, and the blood testify. Let me show you in the Scripture. First, testimony, John says, is the Spirit. He's referring to the Holy Spirit as the revealer of truth, and he testifies, that's the Holy Spirit testifies, that Jesus is the Son of God. Look at John chapter 15, verse 26. When the Advocate, that's with a capital A, that's referring to the Holy Spirit,