Why does God call himself “the Alpha and the Omega”?
Alpha and omega are the first and last letters of the alphabet in Greek, the language used to write the part of the Bible commonly called the New Testament, which includes the book of Revelation. The respective positions of these letters in the Greek alphabet are used to illustrate that Jehovah alone is the beginning and the end. (Revelation 21:6) He was Almighty God in the infinite past, and he will continue to be Almighty God forever. He is the only one who is “from everlasting to everlasting.”​—Psalm 90:2.