2 Corinthians 10:11

But let such a one know this, that as we are in word by letters, when absent, such also shall we be in fact when present.

1 Corinthians 4:19-20

But I will come to you soon, if the Lord please, and will know, not the speech of them that are puffed up, but the power:

For I am afraid least when I come, I should not find you such as I could wish, and I should be found to you such as ye would not: least there should be contentions, emulations, animosities, strifes, thwartings, whisperings, swellings, tumults: and least,

2 Corinthians 13:2-3

I said before, and I again tell you beforehand, as if I were present the second time; and being absent I now write to those who have sinned heretofore, and to all the rest, that if I come again I will not spare:

2 Corinthians 13:10

Therefore I write these things while absent, that when present I may not use severity, according to the power which the Lord hath given me for edification, and not for destruction.