I am Alpha and Omega, the beginning and the ending, saith the Lord, which is, and which was, and which is to come, the Almighty.
Berean Study Bible (BSB) - Revelation 1:8 >“I am the Alpha and the Omega,” says the Lord God, who is and was and is to come—the Almighty.
Textus Receptus (TR) - Revelation 1:8 >Ἐγώ εἰμι τὸ Α καὶ τὸ Ω, ἀρχὴ καὶ τέλος, λέγει ὁ Κύριος, ὁ ὢν καὶ ὁ ἦν καὶ ὁ ἐρχόμενος, ὁ παντοκράτωρ.