Commentaries:
Robertson's Word Pictures (NT)
For we rejoice (xairomen 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 II Corinthians 13:11). In Plutarch, only here in N.T.
Other Robertson's Word Pictures (NT) entries containing 2 Corinthians 13:9:
Romans 15:1
Ephesians 4:12
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