Isaiah 43:10. "You are my witnesses," declares the LORD (Yahwah), "and my servant whom I have chosen, so that you may know and believe me and understand that I am He. Before me no god formed, nor will there be one after me.
Isaiah 44:6
“This is what the Lord says— Israel’s King and Redeemer, the Lord Almighty: I am the first and I am the last; apart from me there is no God.
Isaiah 48:12
“Listen to me, Jacob, Israel, whom I have called: I am he; I am the first and I am the last.
Revelation 1:8
“I am the Alpha and the Omega,” says the Lord God, “who is, and who was, and who is to come, the Almighty.”
Revelation 21:6
He said to me: “It is done. I am the Alpha and the Omega, the Beginning and the End. To the thirsty I will give water without cost from the spring of the water of life.
Revelation 22:13 I am the Alpha and the Omega, the First and the Last, the Beginning and the End.