Genesis 2:9
“And out of the ground made the Lord God to grow every tree that is pleasant to the sight and good for food; the tree of life also in the midst of the garden, and the tree of knowledge of good and evil.”
And the Lord God formed man of the dust of the ground, and breathed into his nostrils the breath of life; and man became a living soul.
And the Lord God planted a garden eastward in Eden; and there he put the man whom he had formed.
And out of the ground made the Lord God to grow every tree that is pleasant to the sight and good for food; the tree of life also in the midst of the garden, and the tree of knowledge of good and evil.
And a river went out of Eden to water the garden; and from thence it was parted, and became into four heads.
The name of the first is Pison: that is it which compasseth the whole land of Havilah, where there is gold;
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“He that hath an ear, let him hear what the Spirit saith unto the churches; To him that overcometh will I give to eat of the tree of life, which is in the midst of the paradise of God.”
“In the midst of the street of it, and on either side of the river, was there the tree of life, which bare twelve manner of fruits, and yielded her fruit every month: and the leaves of the tree were for the healing of the nations.”
“And if any man shall take away from the words of the book of this prophecy, God shall take away his part out of the book of life, and out of the holy city, and from the things which are written in this book.”
“Blessed are they that do his commandments, that they may have right to the tree of life, and may enter in through the gates into the city.”
“And the Lord God said, Behold, the man is become as one of us, to know good and evil: and now, lest he put forth his hand, and take also of the tree of life, and eat, and live for ever:”