For we rejoice (cairomen gar). Paul had far rather be weak in the sense of failing to exercise his apostolic power because they did the noble thing. He is no Jonah who lamented when Ninevah repented. Your perfecting (umwn katartisin). Late word from katartizw, to fit, to equip (see verb in verse Romans 11 ). In Plutarch, only here in N.T.