What does the Bible say about the Tree of Life?

Genesis 2:9
And the LORD God made all kinds of trees grow out of the ground—trees that were pleasing to the eye and good for food. In the middle of the garden were the tree of life and the tree of the knowledge of good and evil.

Genesis 3:22
And the LORD God said, "The man has now become like one of us, knowing good and evil. He must not be allowed to reach out his hand and take also from the tree of life and eat, and live forever."

Genesis 3:24
After he drove the man out, he placed on the east side of the Garden of Eden cherubim and a flaming sword flashing back and forth to guard the way to the tree of life.

Proverbs 3:18
She is a tree of life to those who embrace her; those who lay hold of her will be blessed.

Proverbs 11:30
The fruit of the righteous is a tree of life, and he who wins souls is wise.

Proverbs 13:12
Hope deferred makes the heart sick, but a longing fulfilled is a tree of life.

Proverbs 15:4
The tongue that brings healing is a tree of life, but a deceitful tongue crushes the spirit.

Revelation 2:7
He who has an ear, let him hear what the Spirit says to the churches. To him who overcomes, I will give the right to eat from the tree of life, which is in the paradise of God.

Revelation 22:2
down the middle of the great street of the city. On each side of the river stood the tree of life, bearing twelve crops of fruit, yielding its fruit every month. And the leaves of the tree are for the healing of the nations.

Revelation 22:14
"Blessed are those who wash their robes, that they may have the right to the tree of life and may go through the gates into the city.

Revelation 22:19
And if anyone takes words away from this book of prophecy, God will take away from him his share in the tree of life and in the holy city, which are described in this book.