Grace Defined, Explained, and Applied

Just as Paul has given us the most concise presentation of the gospel in I Corinthians 15:1-8, he gives us the most concise definiton of grace in Ephesians 1:3 "Blessed be the God and Father of our Lord Jesus Christ, who has blessed us with every spiritual blessing in the heavenly places in Christ." (italics mine)  Paul then spends the rest of the first three chapters of Ephesians explaining what this means, and tells us how God wants us to apply it in chapters four through six.