God is a Spirit: and they that worship Him must worship Him in spirit and in truth. John 4:24
The One True God: Who spoke all things into existence (Colossians 1:16; Isaiah 44:24), existing eternally as three persons: the Father, Son, and Holy Spirit (Luke 3:22; Matthew 28:19; II Corinthians 13:14).
The one true God.
And we know that the Son of God is come, and hath given us an understanding, that we may know him that is true, and we are in him that is true, even in his Son Jesus Christ. This is the true God, and eternal life. I John 5:20
And this is life eternal, that they might know thee the only true God, and Jesus Christ, whom thou hast sent. John 17:3
He who spoke all things into existence.
For by him (God the Son – Jesus Christ) were all things created, that are in heaven, and that are in earth, visible and invisible, whether they be thrones (angelic powers), or dominions (power whether angelic or human), or principalities (holy angels), or powers (angelic beings – good or bad): all things were created by him, and for him. Colossians 1:16
Thus saith the LORD, thy redeemer, and he that formed thee from the womb, I am the LORD that maketh all things; that stretcheth forth the heavens alone; that spreadeth abroad the earth by myself; Isaiah 44:24
For there is one God, and one mediator between God and men, the man Christ Jesus; I Timothy 2:5
God exists eternally as three persons.
And the Holy Ghost (the Holy Spirit) descended in a bodily shape like a dove upon him, and a voice came from heaven (the Father), which said, Thou art my beloved Son (Jesus Christ); in thee I am well pleased. Luke 3:22
Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost: Matthew 28:19
The grace of the Lord Jesus Christ, and the love of God, and the communion of the Holy Ghost, be with you all. Amen. II Corinthians 13:14
…let the word of Christ dwell in you richly…
 Numerous Sources
 Definitions are from Vine’s Expository Dictionary of Old & New Testament Words.
See Who Is God? article in this blog.