Luke 16:26

And in addition to all these things, there is a great gulf fixed between us and you, in order that those wishing to go hence to you may not be able, neither can they come thence to us.

2 Corinthians 6:17

Therefore come out from the midst of them, and be ye separate, says the Lord, and touch not the unclean thing; and I will receive you,

Revelation 21:10-27

And he carried me away in the Spirit to a mountain great and high, and showed me the holy city, Jerusalem, coming down out of the heaven from God,

Treasury of Scripture Knowledge

Summary

He measured it by the four sides: it had a wall round about, five hundred reeds long, and five hundred broad, to make a separation between the sanctuary and the profane place.

Five hundred

Bible References

Five hundred

Revelation 21:12
having a wall great and high, having twelve gates, and at the gates twelve angels, and names written upon them, which are the names of the twelve tribes of the sons of Israel.

A separation

Luke 16:26
And in addition to all these things, there is a great gulf fixed between us and you, in order that those wishing to go hence to you may not be able, neither can they come thence to us.
2 Corinthians 6:17
Therefore come out from the midst of them, and be ye separate, says the Lord, and touch not the unclean thing; and I will receive you,
Revelation 21:10
And he carried me away in the Spirit to a mountain great and high, and showed me the holy city, Jerusalem, coming down out of the heaven from God,