Revelation 21:16 describes New Jerusalem saying, “the length and the breadth and the height of it are equal.” New Jerusalem is a cube, the eternal holy of holies. This is not a physical holy of holies, “for the Lord God the Almighty and the Lamb are its temple” (Revelation 21:22). This temple is only the holy of holies because everything related to the outer court and the holy place has been fully accomplished by Christ and fully applied to God’s chosen people.
To be in New Jerusalem is to be in the holy of holies and in the Triune God. This will not be something new that will happen suddenly in the future. Our being in the Triune God began with the death and resurrection of Christ. In John 14:20, speaking about His resurrection, Jesus said, “In that day you will know that I am in My Father, and you in Me, and I in you.” Likewise, in His prayer in John 17, He prayed for our being in Himself and in the Father (v. 21). He prayed this for the present time, because He prayed this “that the world may believe that You have sent Me.”… [Read full article]
Source: New Jerusalem – A Biblical View