Deuteronomy 6:4

Thus saith the LORD the King of Israel, and his redeemer the LORD of hosts; I am the first, and I am the last; and beside me there is no God.

For there is one God, and one mediator between God and men, the man Christ Jesus;

And this is life eternal, that they might know thee the only true God, and Jesus Christ, whom thou hast sent.

Fear ye not, neither be afraid: have not I told thee from that time, and have declared it? ye are even my witnesses. Is there a God beside me? yea, there is no God; I know not any.

I and my Father are one.

I am the LORD: that is my name: and my glory will I not give to another, neither my praise to graven images.

And Elijah came unto all the people, and said, How long halt ye between two opinions? if the LORD be God, follow him: but if Baal, then follow him. And the people answered him not a word.

I am the LORD thy God, which brought thee out of the land of Egypt, from the house of bondage.

Wherefore David blessed the LORD before all the congregation: and David said, Blessed be thou, LORD God of Israel our father, for ever and ever.