And he said unto me,
It is done. I am Alpha and Omega, the beginning and the end. I will give unto him that is thirsty of the fountain of the water of life freely.
All Commentaries on Revelation 21:6 Go To Revelation 21
Tertullian of Carthage
AD 220
For they affirm that without those letters truth cannot be found; nay more, that in those letters the whole plenitude and perfection of truth is comprised; for this was why Christ said, "I am the Alpha and the Omega."