'Tree of Life' in the Bible

He who has an ear, let him hear and heed what the Spirit says to the churches. To him who overcomes [the world through believing that Jesus is the Son of God], I will grant [the privilege] to eat [the fruit] from the tree of life, which is in the Paradise of God.’

in the middle of its street. On either side of the river was the tree of life, bearing twelve kinds of fruit, yielding its fruit every month; and the leaves of the tree were for the healing of the nations.

Blessed (happy, prosperous, to be admired) are those who wash their robes [in the blood of Christ by believing and trusting in Him—the righteous who do His commandments], so that they may have the right to the tree of life, and may enter by the gates into the city.

and if anyone takes away from or distorts the words of the book of this prophecy, God will take away [from that one] his share from the tree of life and from the holy city (new Jerusalem), which are written in this book.