Cut to the chase. Who are the two witnesses?
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Could be Enoch and Elijah, who were taken up; or two that come out of the Tribulation.
I think of the Old Testament which speaks of God creating the world, sin in Adam and the prophecy of the coming Messiah. The second being the New testament which tells of the Arrival of the Messiah, His triumph over sin and He is the Way, the Truth and the (everlasting)Life if you believe upon Him. Those are the witnesses God has already sent us.