Ezekiel 42:14-20

14 When the priests go in, they may not go out of the holy place into the outer square, and there they are to put the robes in which they do the work of the Lord's house, for they are holy: and they have to put on other clothing before they come near that which has to do with the people.
15 And when he had come to the end of measuring the inner house, he took me out to the doorway looking to the east, and took its measure all round.
16 He went round and took the measure of it on the east side with the measuring rod, five hundred, measured with the rod all round.
17 And he went round and took the measure of it on the north side with the measuring rod, five hundred, measured with the rod all round.
18 And he went round and took the measure of it on the south side with the measuring rod, five hundred, measured with the rod all round.
19 And he went round and took the measure of it on the west side with the measuring rod, five hundred, measured with the rod all round.
20 He took its measure on the four sides: and it had a wall all round, five hundred long and five hundred wide, separating what was holy from what was common.
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