Firstly, welcome to our community.
Mary was told by the angel prior to Holy Spirit God begetting our Savior upon her that she was to name her son, Emmanuel, meaning, God with us.
Jesus was God in first century A.D., because in the Old Testament we're told we cannot look upon the face of God and live. To bring the new covenant, testament, testimony of God, to the world, God sent Himself for that purposed driven life.
There is only one God and that is the God that bestowed His eternal everlasting grace upon the world so as to save us from the sin this world leads us toward.
Christ means, anointed. Jesus was both man, and divine God. He was knitted together in His mother's womb as Holy Spirit incarnate in the flesh of a man. Emmanuel, Jesus, differentiated Himself from His Father in Heaven because Jesus was man during His ministry and empowered with the union He had with Himself , the Father, after He was Baptized. The Holy Spirit then descended like a dove upon Him at that time, and the eternal voice of Creator spoke from the Heavens and said, so that all there gathered would hear, this is my Son in whom I Am well pleased.
Jesus' ministry began then. He healed the blind, cast out demons, made the lame to walk, and raised the dead to life. And this because His divine power was channeled to Him when He was Baptized and indwelt then by the Holy Spirit. In other words, His true self was realized. He became the example of His ministry to those who followed Him. Reborn as a new creation after Baptism, Jesus was. The man people may have known, went down in water. And when He rose up He was reborn as one indwelt and Baptized by and of the Father.
The scripture you recalled in your post is true. All that is, was, or ever shall be, is of and from God the Creator of all things. That is why we are without excuse if we tell ourselves there is no proof of a Creator. There is. Everywhere, in all of creation.
There is no thing that is not of nor from God. Even you.
When you accept Christ as your Savior, you begin a new chapter of your life. When you are Baptized in the name of Jesus, you are like Him after the crucifixion and resurrection back to life. Your old self goes down in water, as if buried with your sins upon you. And when you arise, that old self is left behind, and the new creation arises as one reborn as a new creation. As you left your mothers womb where you grew in those waters, and then were born into this fallen world, when Baptized, you arise from water again only to be reborn as a new creation in Christ. As He arose from the tomb and was alive as a glorified body.
Remember, when Mary Magdalene first saw Jesus after He arose from the tomb she didn't recognize Him as the teacher she'd known.
So too would you be a new creation, free of the sins that you once bore, as those are now left behind, put under the sacrificial blood of Christ. That life blood that He shed for to take away the sins of the world. And God will remember those sins no more.
Reborn, regenerated, into a whole new self, and a whole new life wherein we are guided by God and His wisdom because Holy Spirit God indwells the redeemed. Now we don't walk this world alone. We have as our guide the creator of all of it. Who better to help us navigate the trials and travails than that One that sees all things and knows where to tread?