Ezekiel 43:12 in the King James Version
This is the law of the house; Upon the top of the mountain the whole limit thereof round about shall be most holy. Behold, this is the law of the house.
Context
11 If they are ashamed of all that they have done, make known to them the form of the house, its fashion, its exits, its entrances, its structure, all its ordinances, all its forms, and all its laws; and write it in their sight, that they may keep the whole form of it, and all its ordinances, and do them.
12 “This is the law of the house. On the top of the mountain the whole limit around it shall be most holy. Behold, this is the law of the house.
13 “These are the measurements of the altar by cubits (the cubit is a cubit and a hand width): the bottom shall be a cubit, and the width a cubit, and its border around its edge a span; and this shall be the base of the altar.