As was typical in Paul’s letters, he began this one with a greeting, a thanksgiving, and a prayer. In these, he didn’t waste any words but gave some previews of the major themes of the letter.
From all of eternity God held a secret, which he finally revealed through his church to all the heavenly beings.
Paul warned Christians about false teachers who would persuade them to boast in themselves instead of in Christ.
Adam was a type of Christ, each having the same role as the representative of his people, but with opposite outcomes.