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

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

Galatians1:8-9 is a chiasm where the same vocabulary is used in the first and the final phrase. The center which is being emphasized is that Paul had said this before and is now saying it again (v 9a-b). https://www.howthebiblefitstogether.org/files/Gal-1.8-9a-Chiasm.pdf