For indeed they say, the letters are weighty and powerful, but the bodily presence is weak, and his speech is contemptible.

Therefore I am pleased in weaknesses, in insults, in necessities, in persecutions, in distresses for Christ's sake; for when I am weak, then I am powerful.

Since you seek a proof of Christ speaking in me (who is not weak toward you, but is powerful in you;

For we are glad when we are weak, and you are powerful. But we pray also for this, your perfection.