Revelation 21:27

And there will never be anything [morally] unclean allowed to enter it, nor any person who practices disgusting behavior [i.e., probably such sins as sexual perversion], or [any person] who is a liar. But the only ones [allowed there] are those [whose names are] recorded in the Lamb's book of life.

Revelation 22:14-15

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.

Treasury of Scripture Knowledge

Summary

Israel then shall dwell in safety alone: the fountain of Jacob shall be upon a land of corn and wine; also his heavens shall drop down dew.

Bible References

Israel

Revelation 21:27
And there will never be anything [morally] unclean allowed to enter it, nor any person who practices disgusting behavior [i.e., probably such sins as sexual perversion], or [any person] who is a liar. But the only ones [allowed there] are those [whose names are] recorded in the Lamb's book of life.
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.