You must not encroach on your neighbor’s property, ¹  which will have been defined ²  in the inheritance you will obtain in the land the Lord your God is giving you. ³ 

“This is the law of the temple: The entire area on top of the mountain all around will be most holy. Indeed, this is the law of the temple.

So Abraham secured ¹  Ephron’s field in Machpelah, next to Mamre, including the field, the cave that was in it, and all the trees that were in the field and all around its border,