At the beginning of Romans —
the epistle of justification by faith — Paul introduces himself as an apostle set apart for the gospel and explains the gospel as a message about God's Son, born in the flesh as a descendant of David and raised from the dead by the power of the Spirit.
When, for example, Paul sets out to discuss such abstruse doctrines
of theology as those
of predestination, election, and
justification by faith, in the middle chapters
of the
Epistle to the Romans (chaps.