Paul, an apostle of Jesus Christ by the will of God, according to the promise of life which is in Christ Jesus,
Ver. 1. Paul, an apostle, &c.] The preface of this Epistle seems to be an abridgment of that of the Epistle to the Romans. See Trapp on " Rom 1:1 "
Which is in Christ Jesus] All out of Christ are living carcases, walking sepulchres of themselves.