'Tree of Life' in the Bible
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 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:
So he drove out the man; and he placed at the east of the garden of Eden Cherubims, and a flaming sword which turned every way, to keep the way of the tree of life.
She is a tree of life to them that lay hold upon her: and happy is every one that retaineth her.
The fruit of the righteous is a tree of life; and he that winneth souls is wise.
Hope deferred maketh the heart sick: but when the desire cometh, it is a tree of life.
A wholesome tongue is a tree of life: but perverseness therein is a breach in the spirit.
Then Jesus said to him, "Truly I tell you, today you will be with me in Paradise [Note: This is a place in God's presence, referred to as "the third heaven" (II Cor. 12:2-4), and where overcomers will be able to eat from "the tree of life" (Rev. 2:7)]."
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.
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 if any man shall take away from the words of the book of this prophecy, God shall take away his part from the tree of life, and out of the holy city, which are written in this book.
Tree of Lifenot in Sawyer New Testament