I think John Wesley put it well "Bring me a worm that can comprehend a man, and then I will show you a man that can comprehend the triune God.”
Genesis 1:1-2 "1 In the beginning God created the heavens and the earth.
2 Now the earth was formless and empty, darkness was over the surface of the deep, and the Spirit of God was hovering over the waters.
Isaiah 9:6 " For to us a child is born,
to us a son is given,
and the government will be on his shoulders.
And he will be called
Wonderful Counselor, Mighty God,
Everlasting Father, Prince of Peace."
Isaiah 48:16 "Come near me and listen to this:
"From the first announcement I have not spoken in secret;
at the time it happens, I am there."
And now the Sovereign LORD has sent me,
with his Spirit."
Isaiah 59:21 "As for me, this is my covenant with them," says the LORD. "My Spirit, who is on you, and my words that I have put in your mouth will not depart from your mouth, or from the mouths of your children, or from the mouths of their descendants from this time on and forever," says the LORD.
Isaiah 63:9-10 "9 In all their distress he too was distressed,
and the angel of his presence saved them.
In his love and mercy he redeemed them;
he lifted them up and carried them
all the days of old.
10 Yet they rebelled
and grieved his Holy Spirit.
So he turned and became their enemy
and he himself fought against them."
The Father is called God!
Phillipians 2:11 "and every tongue confess that Jesus Christ is Lord, to the glory of God the Father."
Ephesians 4:6 "one God and Father of all, who is over all and through all and in all."
Jesus Christ is declared to be God!
Colossians 1:16 16For by him all things were created: things in heaven and on earth, visible and invisible, whether thrones or powers or rulers or authorities; all things were created by him and for him. 17He is before all things, and in him all things hold together.
John 17:5 "And now, Father, glorify me in your presence with the glory I had with you before the world began."
Titus 2:13 "while we wait for the blessed hope—the glorious appearing of our great God and Savior, Jesus Christ,"
The Holy Spirit is recognized as God!
Titus 3:5 "he saved us, not because of righteous things we had done, but because of his mercy. He saved us through the washing of rebirth and renewal by the Holy Spirit,"
1 Corinthians 6:11 "And that is what some of you were. But you were washed, you were sanctified, you were justified in the name of the Lord Jesus Christ and by the Spirit of our God."
1 Corinthians 2:10 "but God has revealed it to us by his Spirit.
The Spirit searches all things, even the deep things of God."
1 Corinthians 6:19 "Do you not know that your body is a temple of the Holy Spirit, who is in you, whom you have received from God? You are not your own;"
There. Proof sitting infront of you.