Learning Messiah

Israel's election, calling, and history make up a big part of Scripture. It could be said that they belong to the "DNA of the Bible." But why is it then that the Christian narrative about the Messiah, Israel, and the nations, often seemed to have and sometimes even still has a different "genetic structure"? Does Israel—together with its election and promises—leave God's stage through a side door, when Jesus appears on stage? Does a changing of roles take place, within a different story? Doe...