John 6:48-58
I am the bread of life.
Revelation 2:7
"The person who has an ear should listen to what the Holy Spirit is saying to the churches. To the person who has victory [in the Christian life] I will give [the opportunity] to eat from the tree of life, which is in the Paradise of God." [Note: "Paradise" is equivalent to heaven. See II Cor. 12:4].
Revelation 22:2
and down the middle of the city's street. And on each side of the river stood the tree of life; it produced twelve crops of fruit, yielding a crop every month. And the leaves of the tree [served as medicine] for healing the nations.
Revelation 22:14
Those who wash their robes are blessed because [then] they will have the right to [eat from] the tree of life, and will [be able to] enter the city through the gates.