Revelation 21:27

Nothing unclean will ever enter it, nor anyone who practices abominable living and lying, but only those who are written in the Lamb's book of life.

Revelation 22:14-15

Blessed are those who wash their robes, so as to have a right to the tree of life and to enter the gates of the city.

Treasury of Scripture Knowledge

Summary

Now the building that was before the separate place at the end toward the west was seventy cubits broad; and the wall of the building was five cubits thick round about, and the length thereof ninety cubits.

Bible References

Separate

Revelation 21:27
Nothing unclean will ever enter it, nor anyone who practices abominable living and lying, but only those who are written in the Lamb's book of life.
Revelation 22:14
Blessed are those who wash their robes, so as to have a right to the tree of life and to enter the gates of the city.