For God assigned Peter to be an apostle to the circumcised ones [i.e., Jews], and me to be an apostle to the Gentiles.

But we will not boast beyond our proper boundaries [Note: This may mean that Paul was not attempting to exercise apostolic authority outside the parameters assigned to him by God], but will restrict our boasting to the area assigned to us by God as a field of service, which includes you people [there in Corinth].