Without the concept of a trinity, the following verses would be contradictions.
We know that God dwells outside the restraints of space-time. In Isaiah 57:15 we read,
"For thus says the High and Lofty One Who inhabits eternity, whose name is Holy: 'I dwell in the high and holy place, with him who has a contrite and humble spirit.'"
This is often referred to as being "First and the Last" or "Beginning and the End".
Who is the First and the Last? It is YHWH...
Isa 41:4-I YHWH, the first, and with the last; I am he.
Isa 48:12-I am he; I am the first, I also am the last.
Who is the First and the Last? It is YHWH and His Redeemer...
Isa 44:6 Thus saith the YHWH the King of Israel, and his redeemer the YHWH of hosts; I am the first, and I am the last; and beside me there is no God.
Who is the First and the Last? It is Yeshua, the Redeemer, the Almighty...
Re 1:8-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.
Re 1:11-Saying, I am Alpha and Omega, the first and the last:
Re 1:17-Fear not; I am the first and the last:
Re 2:8-These things saith the first and the last, which was dead, and is alive;
Re 21:6-And he said unto me, It is done. I am Alpha and Omega, the beginning and the end.
Re 22:13-I am Alpha and Omega, the beginning and the end, the first and the last.
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Note: In the New World Translation (Watchtower translation for Jehovah Witnesses) the Revelation passages are purposely mistranslated.
Rev 1:8 [NWT] - “I am the Al´pha and the O·me´ga,” says Jehovah God, “the One who is and who was and who is coming, the Almighty.”
"Lord" is purposely mistranslated. The Greek kuvrio means "supreme ruler" and is not the name Jehovah or YHWH. This same word for "Lord" is used in referring to Jesus in many passages. Using the NWT rendering of "Lord" in the verse above, let's translate the same Greek word used in Matthew 12:8, (Jesus speaking) "For the Son of man is Jehovah God even of the sabbath day."
So, either the New World Translation is lying to suit their doctrine, or Jesus is Jehovah according to their own translation. This blatantly reveals the agenda of the Watchtower organization. They have added to Revelation and thus put themselves under the condemnation of Revelation 22:18.
Now let us look at Revelation 22:13...
Rev 22:13 [NWT] - "Look! I am coming quickly, and the reward I give is with me, to render to each one as his work is. I am the Al´pha and the O·me´ga, the first and the last, the beginning and the end."
Who is He that is coming quickly? According to Revelation 22:20, it is the Lord Jesus. What is the reward? It is our inheritance from the Lord Christ as stated in Colossians 3:24. If this is Jehovah speaking, it would be a contradiction, or that Jesus is God (which violates their doctrine).
The Jehovah Witnesses say they trust the King James Version translation of the original text. Let's do a comparison of the New World Translation of Revelation 1:11 with the King James Version.
Rev 1:11 [KJV] - saying, I am Alpha and Omega, the first and the last: and, What thou seest, write in a book, and send it unto the seven churches which are in Asia...
Rev 1:11 [NWT] - saying: “What you see write in a scroll and send it to the seven congregations...
Because it is obvious that Jesus is speaking in Rev 1:11, the New World Translation favors the Latin Vulgate in omitting this identification. This has been disputed, however, it should prove that the Jehovah Witnesses are not in agreement with the King James Version.
