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
Clement Of Alexandria
AD 215
The sensible types of these, then, are the sounds we pronounce. Thus the Lord Himself is called "Alpha and Omega, the beginning and the end"