How do we live and teach Ephesians 1-3: Cosmic Christ and the Unified Church

My last few posts were about the meaning of Ephesians 1-3. You can read them here and here if you would like. For a starter on how Ephesians 1-3 could help with a discussion on Race and Church, you can read that here . But seeing that this is the word of God for the people of God in all ages, contexts, tribes, and places, how do we apply such a specific meaning to our lives and churches? First, a summary of Ephesians 1-3 may help catch us up: Summary: In the Letter to the Ephesians, Paul is writing to a mostly, if not exclusively, Gentile audience. He is not writing about individual salvation, but about how Christ brings the Gentiles into God's covenant/people. This conclusion is come to from 3 major sections: Ephesians 1 - Paul talks about the work of Christ as revealing the mystery of God. Ephesians 2 - Paul talks about the cross of Christ uniting both Jew and Gentile into one body. Ephesians 3 - Paul reveals what the revelation was he received from God, tells us...