I take it that you acknowledge that the Father is God; and I've already provided ample proof that the Lord Jesus Christ is God.
John 1:1 (K.J.V.)
In the beginning was the Word, and the Word was with God,
and the Word was God.
Exodus 3:13,14
13 And Moses said unto God, Behold, when I come unto the children of Israel, and shall say unto them, The God of your fathers hath sent me unto you; and they shall say to me, What is his name? what shall I say unto them?
14 And
God said unto Moses, I AM THAT I AM: and he said,
Thus shalt thou say unto the children of Israel, I AM hath sent me unto you.
John 8:57-59
57 Then said the Jews unto him, Thou art not yet fifty years old, and hast thou seen Abraham?
58
Jesus said unto them, Verily, verily, I say unto you, Before Abraham was, I am.
59 Then took they up stones to cast at him: but Jesus hid himself, and went out of the temple, going through the midst of them, and so passed by.
Matt. 1:22,23
22 Now all this was done, that it might be fulfilled which was spoken of the Lord by the prophet, saying,
23 Behold, a virgin shall be with child, and shall bring forth a son, and
they shall call his name Emmanuel, which being interpreted is, God with us.
1 Tim. 3:16 And without controversy great is the mystery of godliness:
God was manifest in the flesh, justified in the Spirit, seen of angels, preached unto the Gentiles, believed on in the world, received up into glory.
John 20:26-29
26 ¶ And after eight days again his disciples were within, and Thomas with them:
then came Jesus, the doors being shut, and stood in the midst, and said, Peace be unto you.
27
Then saith he to Thomas, Reach hither thy finger, and behold my hands; and reach hither thy hand, and thrust it into my side: and be not faithless, but believing.
28
And Thomas answered and said unto him, My Lord and my God.
29
Jesus saith unto him, Thomas, because thou hast seen me, thou hast believed: blessed are they that have not seen, and yet have believed.
Romans 9:5 Whose are the fathers, and of whom as concerning the flesh
Christ came, who is over all, God blessed for ever. Amen.
"The word was a god"?
The Holy Spirit is also definitely God, according to the Holy Bible.
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Old Testament Evidence
In Genesis 1:2, readers learn that “the Spirit of God was hovering over the surface of the waters,” indicative of an active, creative role in bringing the heavens and earth into existence. Job 33:4 states: “The Spirit of God has made me; the breath of the Almighty gives me life.” This ascribes the act of creation, a divine work, to the Holy Spirit.
Isaiah 48:16 also mentions, “And now the Lord GOD has sent Me, accompanied by His Spirit.” The Spirit’s presence and function are tied directly to Yahweh’s commissioning of His servants, again suggesting that this is a divine operation.
New Testament Evidence
In the New Testament, the Holy Spirit’s divine status is made explicit. Matthew 28:19 instructs, “Go therefore and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit.” Baptism “in the name of” signals equality of standing among Father, Son, and Holy Spirit.
The clearest demonstration appears in Acts 5:3-4, where Peter confronts Ananias for lying to the Holy Spirit and concludes, “You have not lied to men but to God.” This statement establishes that to sin against the Holy Spirit is to sin against God, affirming the Holy Spirit’s deity.
Divine Attributes
Several divine attributes ascribed to God are also attributed to the Holy Spirit:
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Omniscience: 1 Corinthians 2:10-11 shows the Spirit’s knowledge of “the deep things of God” and emphasizes that “no one knows the thoughts of God except the Spirit of God.”
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Omnipresence: Psalm 139:7 asks, “Where can I go to escape Your Spirit? Where can I flee from Your presence?” implying that the Spirit is everywhere, a feature attributed only to the divine.
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Holiness: The very title “Holy Spirit” suggests a unique holiness akin to God’s. Ephesians 4:30 warns believers not to “grieve the Holy Spirit of God.”
Role in Salvation and Sanctification
Scripture details the Spirit’s work in salvation and spiritual growth. Jesus refers to the Holy Spirit as the Advocate or Helper who teaches and guides (John 14:26). Romans 8:11 asserts that “if the Spirit of Him who raised Jesus from the dead is living in you, He who raised Christ Jesus from the dead will also give life to your mortal bodies.” Since raising the dead is a divine act, this credits the Holy Spirit with the power of resurrection."