I am Alpha and Omega, the beginning and the ending,
says the Lord,
who is, and who was, and who is to come, the Almighty.
All Commentaries on Revelation 1:8 Go To Revelation 1
Tertullian of Carthage
AD 220
Meanwhile, let this be my immediate answer to the argument which they adduce from the Revelation of John: "I am the Lord which is, and which was, and which is to come, the Almighty; "