'Powerful' in the Bible

since the weapons of our warfare are not worldly, but are powerful through God for the demolition of strongholds. We demolish arguments

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

wherefore I am well pleased in infirmities, in damages, in necessities, in persecutions, in distresses -- for Christ; for whenever I am infirm, then I am powerful;

The signs of an apostle were performed among you with utmost patience signs, wonders, and powerful actions.

since you seek proof of Christ speaking in me. He is not weak toward you, but powerful among you.

for we rejoice when we may be infirm, and ye may be powerful; and this also we pray for -- your perfection!