II Corinthians 10:2, 6, 8-9

But I beg you that when I am present I may not be bold with that confidence by which I intend to be bold against some, who think of us as if we walked according to the flesh.

and being ready to punish all disobedience when your obedience is fulfilled.

For even if I should boast somewhat more about our authority, which the Lord gave us for edification and not for your destruction, I shall not be ashamed— lest I seem to terrify you by letters.