Acts 15:11 - Ellicott's Commentary On The Whole Bible

We believe that through the grace... — This comes, in what we may well regard as a summary of St. Peter’s speech, as the closing argument. The Pharisee might regard the Law as binding, but even he, if he believed in Christ, was compelled to confess that his hope of salvation was found in the work of Christ as the Saviour; and if so, then, as regards that hope, Jew and Gentile were on the same level, and the judgment that men could not be saved without the Law was but the inconsistency of an intolerant dogmatism, insisting on imposing that which was acknowledged to be profitless. It may be noted that this is the last appearance of St. Peter in the Acts, which from this period turns exclusively upon the work of St. Paul. For the subsequent history of the former, see Introduction to the Epistles of St. Peter.