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.

Treasury of Scripture Knowledge

Summary

But upon mount Zion shall be deliverance, and there shall be holiness; and the house of Jacob shall possess their possessions.

There shall be holiness

Bible References

There shall be holiness

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.