twenty cubits
1 Kings 6:20
And the oracle in the forepart was twenty cubits in length, and twenty cubits in breadth, and twenty cubits in the height thereof: and he overlaid it with pure gold; and so covered the altar which was of cedar.
2 Chronicles 3:8
And he made the most holy house, the length whereof was according to the breadth of the house, twenty cubits, and the breadth thereof twenty cubits: and he overlaid it with fine gold, amounting to six hundred talents.
Revelation 21:16
And the city lieth foursquare, and the length is as large as the breadth: and he measured the city with the reed, twelve thousand furlongs. The length and the breadth and the height of it are equal.
This
Exodus 26:33
And thou shalt hang up the vail under the taches, that thou mayest bring in thither within the vail the ark of the testimony: and the vail shall divide unto you between the holy place and the most holy.
Exodus 26:34
And thou shalt put the mercy seat upon the ark of the testimony in the most holy place.
Hebrews 9:3-8
3
And after the second veil, the tabernacle which is called the Holiest of all;
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Which had the golden censer, and the ark of the covenant overlaid round about with gold, wherein was the golden pot that had manna, and Aaron's rod that budded, and the tables of the covenant;
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And over it the cherubims of glory shadowing the mercyseat; of which we cannot now speak particularly.
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Now when these things were thus ordained, the priests went always into the first tabernacle, accomplishing the service of God.
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But into the second went the high priest alone once every year, not without blood, which he offered for himself, and for the errors of the people:
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The Holy Ghost this signifying, that the way into the holiest of all was not yet made manifest, while as the first tabernacle was yet standing: