1. Ethnic Israel and True Israel First, in verse 6b he says, "For they are not all Israel who are descended from Israel." In other words, Paul’s argument is that the promises of God always hold true for the true Israel, the spiritual Israel, but not all ethnic Israel is true Israel. That’s his first statement of the argument: "They are not all Israel who are descended from Israel." The assumption is: there is a true Israel; God’s saving promises are made to them; and these promises have never failed. 2. All Descendants of Abraham and the Children of Abraham...