God is One revealed in three Persons, Father, Son, and Holy Spirit. It says on the Law, “Hear, O Israel: The Lord (YHWH, singular) our God, (Elohim, plural) the Lord (YHWH, Singular) is one! (Deuteronomy 6:4 NKJV) This is not that we have three Gods, but one revealed or manifested in three Persons, Father, Son, and Holy Spirit. Rolland McCune said, “The tri-unity of God is one of the great fundamental doctrines concerning God. In fact, without the tri-unity of God, there could be no incarnation of God the Son. And, without the incarnation, there could be no redemption accomplished by the Son, nor could there be any application of the redemption by the Spirit.1 We see the clear evidence of this claim throughout scripture, Col 2:9 says in Jesus.
“dwells all the fullness of the Godhead bodily.” (Colossians 2:9 NKJV), in 1 Corinthians 3:16 the Apostle Paul says, “Do you not know that you are the temple of God and that the Spirit of God dwells in you? “ (NKJV) Jesus when He is praying said “O Father, glorify Me together with Yourself, with the glory which I had with You before the world was.” (John 17:5 NKJV) clearly the Bible teaches the deity of the Father, Son, and Holy Spirit, and yet, it remains entirely Monotheistic, (One God).
It is essential for a correct understanding of God to understand this truth, we have one God revealed in three persons, The Father, Son and Holy Spirit, We need to understand we come before God as beloved children, (Romans 8:14 NKJV) covered by the blood of Christ (John 1:12-13, 1:29, 3:16. NKJV) and sealed by the Holy Spirit, (Ephesians 1:13-14 NKJV).
- Rolland McCune, A Systematic Theology of Biblical Christianity: Prolegomena and the Doctrines of Scripture, God, and Angels, vol. 1 (Allen Park, MI: Detroit Baptist Theological Seminary, 2009), 280.