Reference: Tree of life
Easton
stood also in the midst of the garden of Eden (Ge 2:9; 3:22). Some writers have advanced the opinion that this tree had some secret virtue, which was fitted to preserve life. Probably the lesson conveyed was that life was to be sought by man, not in himself or in his own power, but from without, from Him who is emphatically the Life (Joh 1:4; 14:6). Wisdom is compared to the tree of life (Pr 3:18). The "tree of life" spoken of in the Book of Revelation (Re 2:7; 22:2,14) is an emblem of the joys of the celestial paradise.
See Verses Found in Dictionary
And the LORD God made to spring out of the earth, all manner trees beautiful to the sight and pleasant to eat; and the tree of life in the midst of the garden, and also the tree of knowledge of good and evil.
And the LORD God said, "Lo, Adam is become as it were one of us, in knowledge of good and evil. But now lest he stretch forth his hand and take also of the tree of life and eat and live ever -"
She is a tree of life to them that lay hold upon her, and blessed are they that keep her fast.
In it was life; And the life was the light of men;
Jesus said unto him, "I am the way, the truth and the life. And no man cometh unto the father, but by me.
Let him that hath ears hear, what the spirit saith unto the congregations. 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 wood of life; which bare twelve manner of fruits, and gave fruit every month: and the leaves of the wood served to heal the people withal.
Blessed are they that do his commandments, that their power may be in the tree of life, and may enter in through the gates into the city.