Jesus is the Tree of Life. The Tree of Life was right there from the
beginning for the first man to freely eat from. Even today, the
Tree of Life is near, and we can eat of the Tree of Life and live forever. But
God placed cherubim and a flaming sword which turned every way, to guard the way
to the Tree of Life.
The flaming sword represents the word of God, you must go through the word of
God to get to the Tree of Life.
For the word of God is living and powerful, and sharper than any two-edged
sword, piercing even to the division of soul and spirit, and of the joints and
marrow, and is a discerner of the thoughts and intents of the heart. And there
is no creature hidden from His sight, but all things are naked and open to the
eyes of Him to whom we must give account. Hebrews 4:12-13
Reading the Bible feeds your spirit and strengthens you from within. The Bible
shows the way to everlasting life, and the word of God itself will live forever.