Luke 16:26

Besides all that, a great gulf yawns between us and you, to keep back those who want to cross from us to you and also those who want to pass from you to us.'

2 Corinthians 6:17

Therefore come away from them, separate, saith the Lord, touch not what is unclean; then I will receive you,

Revelation 21:10-27

So he carried me off, rapt in the Spirit, to a huge, high mountain, where he showed me the City, the holy Jerusalem, descending from God out of heaven,

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
it has a huge, high wall with twelve gates, twelve angels at the twelve gates, and names inscribed thereon which are the names of the twelve tribes of the sons of Israel,

A separation

Luke 16:26
Besides all that, a great gulf yawns between us and you, to keep back those who want to cross from us to you and also those who want to pass from you to us.'
2 Corinthians 6:17
Therefore come away from them, separate, saith the Lord, touch not what is unclean; then I will receive you,
Revelation 21:10
So he carried me off, rapt in the Spirit, to a huge, high mountain, where he showed me the City, the holy Jerusalem, descending from God out of heaven,