The Bible scriptures provide all the answers to support the trinity concept of the Father God, Son Jesus Christ and Holy Spirit ...
John 14:6-7
Jesus answered, "I am the way and the truth and the life. No one comes to the Father except through me. If you really knew me, you would know my Father as well. From now on, you do know him and have seen him."
Matthew 3:16
As soon as Jesus was baptized, he went up out of the water. At that moment heaven was opened, and he saw the Spirit of God descending like a dove and lighting on him."
Matthew 28:19
Therefore go and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit.
Acts 2:38
Peter replied, "Repent and be baptized, every one of you, in the name of Jesus Christ for the forgiveness of your sins. And you will receive the gift of the Holy Spirit.
1 Corinthians 8:6
yet for us there is but one God, the Father, from whom all things came and for whom we live; and there is but one Lord, Jesus Christ, through whom all things came and through whom we live.
John 9:38
Then the man said, "Lord, I believe," and he worshiped him.
John 10:30
Jesus said : I and the Father are one.
John 14:9-10
Jesus answered: "Don't you know me, Philip, even after I have been among you such a long time? Anyone who has seen me has seen the Father. How can you say, 'Show us the Father'? Don't you believe that I am in the Father, and that the Father is in me? The words I say to you are not just my own. Rather, it is the Father, living in me, who is doing his work.
John 20:28
Thomas said to him, "My Lord and my God!"
Titus 2:13
while we wait for the blessed hope—the glorious appearing of our great God and Savior, Jesus Christ,
Matthew 14:33
Then those who were in the boat worshiped him, saying, "Truly you are the Son of God."
Matthew 28:9
Suddenly Jesus met them. "Greetings," he said. They came to him, clasped his feet and worshiped him.
Luke 24:52
Then they worshiped him and returned to Jerusalem with great joy.
2 Corinthians 13:14
May the grace of the Lord Jesus Christ, and the love of God, and the fellowship of the Holy Spirit be with you all.
John 14:16-17
And I will ask the Father, and he will give you another Counselor to be with you forever— the Spirit of truth.
John 14:26
But the Counselor, the Holy Spirit, whom the Father will send in my name, will teach you all things and will remind you of everything I have said to you.
John 15:26
"When the Counselor comes, whom I will send to you from the Father, the Spirit of truth who goes out from the Father, he will testify about me.
Romans 9:5
Theirs are the patriarchs, and from them is traced the human ancestry of Christ, who is God over all, forever praised! Amen.
Colossians 2:9
For in Christ all the fullness of the Deity lives in bodily form,
1 John 5:20
We know also that the Son of God has come and has given us understanding, so that we may know him who is true. And we are in him who is true—even in his Son Jesus Christ. He is the true God and eternal life.
1 Corinthians 3:16
Don't you know that you yourselves are God's temple and that God's Spirit lives in you?
Romans 8:9
You, however, are controlled not by the sinful nature but by the Spirit, if the Spirit of God lives in you. And if anyone does not have the Spirit of Christ, he does not belong to Christ.
1 Peter 1:2
who have been chosen according to the foreknowledge of God the Father, through the sanctifying work of the Spirit, for obedience to Jesus Christ and sprinkling by his blood:
2 Peter 1:1
To those who through the righteousness of our God and Savior Jesus Christ have received a faith as precious as ours.
2 Peter 1:21
For prophecy never had its origin in the will of man, but men spoke from God as they were carried along by the Holy Spirit.
Acts 10:38
God anointed Jesus of Nazareth with the Holy Spirit and power, and how he went around doing good and healing all who were under the power of the devil, because God was with him.