The Bible begins with an empty, dark, water-covered earth (Gen 1:1-2) and ends with an earth with no night (Rev 21:25) nor sea (Rev 21:1), inhabited by the people of God (Rev 21:2). https://www.howthebiblefitstogether.org/files/Gen-1.1-2d-and-Rev-21.1-25.pdf
In Galatians 6:16 Paul refers to "the Israel of God." Paul's purpose In writing the book was to oppose the Judaizers who held that circumcision and keeping the Old Testament law contributed to salvation. In verse 16 "those who will walk by this rule" were the Gentile believers who were following Paul's teaching and "the