In the book of Genesis we read,
"In the beginning, God created the heavens and the earth.
The earth was without form and void, and darkness was over the face of the deep. And the Spirit of God was hovering over the face of the waters
And God said, "Let there be light," and there was light.
And God saw that the light was good. And God separated the light from the darkness.
God called the light Day, and the darkness he called Night. And there was evening and there was morning the first day." Genesis 1:1-5.
The Bible doesn’t debate whether God exists or not. Primarily I would imagine because it was written to believers and believers have no need to debate Gods existence.
The Bible states that God created the heavens and the earth. Again without debate.
Then we come to the gospel of John where he writes,
“In the beginning was the Word, (Jesus) and the Word was with God, and the Word was God.
He was with God in the beginning.
Through him all things were made; without him nothing was made that has been made.
In him was life, and that life was the light of men....
The Word became flesh and made his dwelling among us. We have seen his glory, the glory of the One and Only, who came from the Father, full of grace and truth. ” John 1:1-4,14
John makes it clear that the creator of heaven and earth came to earth. To save mankind from their sins.
John recording Jesus speaking about himself saying
"For God so loved the world that he gave his one and only Son, that whoever believes in him shall not perish but have eternal life.
For God did not send his Son into the world to condemn the world, but to save the world through him." John 3:16,17.
John also notes Jesus warned,
“Whoever believes in him is not condemned, but whoever does not believe stands condemned already because he has not believed in the name of God's one and only Son". John 3:18.
John writing in his first letter,
"If we confess our sins, he is faithful and just and will forgive us our sins and purify us from all unrighteousness.
If we claim we have not sinned, we make him out to be a liar and his word has no place in our lives." 1John 1:9-10.
Thus the choice is up to you dear reader. Do you believe what I have just written?
Please think about it.