Ezekiel 42:20

{Toward the four sides} he measured it; [there] [was] a wall for it {all the way around}. [Its] length [was] five hundred [cubits] and [its] width [was] five hundred [cubits], in order to make separation between what is holy and what is common.

Ezekiel 45:2

And [there] shall be from this [area] five hundred [cubits] by five hundred [cubits], squared all around, for the sanctuary; and fifty cubits [of] open space [shall be] for it all around [it].

Ezekiel 22:26

Its priests treat my law violently, and they profane my holy objects; they do not distinguish between holy object and what is unholy, or between the clean and the unclean. They do not teach the difference, and they hide their eyes from my Sabbaths, and [so] I am profaned in the midst of them.

Ezekiel 40:5

And there was a wall on [the] outside of the temple {all the way around it}, and in the hand of the man the reed for measurement [was] six [long] cubits, {according to} the cubit and a handbreadth, and he measured the width of the outer wall [as] one reed, and [the] height [as] one reed.

Ezekiel 44:23

And they will teach my people [the difference] between what is holy and what is unholy, and [the difference] between unclean and clean they must show them.

Ezekiel 48:15

And {the remaining part} of five thousand [cubits] in the width {by} twenty-five thousand [cubits], [is] unholy; it is for the city as dwelling and as pastureland; and the city will be [located] {in the middle of it}.

Zechariah 2:5

And I will be for it a wall of fire all around,' {declares} Yahweh, 'and I will be [the] glory in its midst.'"

Isaiah 60:18

Violence shall no longer be heard in your land; devastation or destruction on your borders. And you shall call your walls Salvation, and your gates, Praise.

Leviticus 10:10

and to distinguish between the holy and the unholy, as well as between the unclean and the clean,

Song of Songs 2:9

My beloved is like a gazelle or {a young stag}. Look! {He is} standing behind our wall, gazing {through} the window, looking {through} the lattice.

Isaiah 25:1

Yahweh, you [are] my God; I will exalt you. I will praise your name, for you have done wonderful things, plans {of old}, [in] faithfulness, trustworthiness.

Isaiah 26:1

On that day, this song will be sung in the land of Judah: "{We have a strong city}; he sets up victory [like] walls and ramparts!

Ezekiel 48:20

All of the contribution, twenty-five thousand by twenty five thousand [cubits] square, you shall set apart [as] {the holy district} [along] with the property of the city.

Micah 7:11

A day for building your walls; [on] that day he will extend [your] boundary.

Luke 16:26

And in [addition to] all these [things], a great chasm has been established between us and you, so that those who want to cross over from here to you are not able [to do so], nor can they cross over from there to us.'

2 Corinthians 6:17

Therefore "come out from their midst and be separate," says the Lord, "and do not touch what is unclean, and I will welcome you,

Revelation 21:10-27

And he carried me away in the Spirit to a great and lofty mountain, and showed me the holy city, Jerusalem, coming down out of 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.

Bible References

It had

Ezekiel 40:5
And there was a wall on [the] outside of the temple {all the way around it}, and in the hand of the man the reed for measurement [was] six [long] cubits, {according to} the cubit and a handbreadth, and he measured the width of the outer wall [as] one reed, and [the] height [as] one reed.
Song of Songs 2:9
My beloved is like a gazelle or {a young stag}. Look! {He is} standing behind our wall, gazing {through} the window, looking {through} the lattice.
Isaiah 25:1
Yahweh, you [are] my God; I will exalt you. I will praise your name, for you have done wonderful things, plans {of old}, [in] faithfulness, trustworthiness.
Isaiah 26:1
On that day, this song will be sung in the land of Judah: "{We have a strong city}; he sets up victory [like] walls and ramparts!
Isaiah 60:18
Violence shall no longer be heard in your land; devastation or destruction on your borders. And you shall call your walls Salvation, and your gates, Praise.
Micah 7:11
A day for building your walls; [on] that day he will extend [your] boundary.
Zechariah 2:5
And I will be for it a wall of fire all around,' {declares} Yahweh, 'and I will be [the] glory in its midst.'"

Five hundred

Ezekiel 45:2
And [there] shall be from this [area] five hundred [cubits] by five hundred [cubits], squared all around, for the sanctuary; and fifty cubits [of] open space [shall be] for it all around [it].
Ezekiel 48:20
All of the contribution, twenty-five thousand by twenty five thousand [cubits] square, you shall set apart [as] {the holy district} [along] with the property of the city.
Revelation 21:12
It has a great and high wall that has twelve gates, and at the gates twelve angels, and names written on [the gates] which are of the twelve tribes of the sons of Israel--

A separation

Ezekiel 22:26
Its priests treat my law violently, and they profane my holy objects; they do not distinguish between holy object and what is unholy, or between the clean and the unclean. They do not teach the difference, and they hide their eyes from my Sabbaths, and [so] I am profaned in the midst of them.
Ezekiel 44:23
And they will teach my people [the difference] between what is holy and what is unholy, and [the difference] between unclean and clean they must show them.
Ezekiel 48:15
And {the remaining part} of five thousand [cubits] in the width {by} twenty-five thousand [cubits], [is] unholy; it is for the city as dwelling and as pastureland; and the city will be [located] {in the middle of it}.
Leviticus 10:10
and to distinguish between the holy and the unholy, as well as between the unclean and the clean,
Luke 16:26
And in [addition to] all these [things], a great chasm has been established between us and you, so that those who want to cross over from here to you are not able [to do so], nor can they cross over from there to us.'
2 Corinthians 6:17
Therefore "come out from their midst and be separate," says the Lord, "and do not touch what is unclean, and I will welcome you,
Revelation 21:10
And he carried me away in the Spirit to a great and lofty mountain, and showed me the holy city, Jerusalem, coming down out of heaven from God,