Please don't take this as a refutation of your whole post; it is not intended as such...
With regard to the bolded part above, in Revelation 2:7 Jesus says that He "will grant to eat of the tree of life which is in the Paradise of God." If Jesus is the Tree of Life, why would He say this to only one of the churches? To me, that doesn't follow logically or scripturally. It seems to me that He is speaking of a literal tree, one which Adam and Eve could have taken hold of and eaten (Genesis 3:22). Verse 24 describes cherubim and a flaming sword guarding the way to the tree; that doesn't strike me as a metaphor.
I see our lives as being back in the garden and having to make a life decision. Is where this poem came from. The way has been opened to the tree of life. After all, He said to eat and drink of His life for eternal life.
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Declaring His Work! Jesus!
We have returned to the Garden of Eden
Brought into His presence, made whole by the Lamb.
Satans lies crushed underfoot as we enter..
Truth is our breastplate, and light floods our stand.
Victory of blood, Royal blood out from Heaven
No stain of sin, given once for all men
Born into Him..Son of God, son of mankind
Covering; purging....flowing within.
Now we an army, attired in white linen
Helmets salvation encloses our head
Righteousness pinning lusts serpentine yearnings
Peace reigns our hearts touching others for Him.
He leads His army, His Voice individual
Yet, corporate as all move in Spirit as One
His-story shouting in signs and in wonders
Gathering all for His home filled with love