Revelation 21:16

Awake, awake, Clothe yourself in your strength, O Zion; Clothe yourself in your glorious garments, O Jerusalem, the holy city; For the uncircumcised and the unclean Will no longer come into you.

He measured it on the four sides; it had a wall all around, the length 500 and the width 500, to divide between the holy and the profane.

“And these shall be its measurements: the north side 4,500 cubits, the south side 4,500 cubits, the east side 4,500 cubits, and the west side 4,500 cubits.

So I said, “Where are you going?” And he said to me, “To measure Jerusalem, to see how wide it is and how long it is.”

for he was looking for the city which has foundations, whose architect and builder is God.

Then a measuring rod like a staff was given to me, saying, “Get up and measure the sanctuary of God and the altar, and those who worship in it.

And if anyone takes away from the words of the book of this prophecy, God will take away his part from the tree of life and from the holy city, which are written in this book.