2 Corinthians 10:11
Let such people realize that what we say by word in letters when we are absent, is the same as what we are in action when present.
1 Corinthians 4:19-20
But I will come to you soon, if the Lord is willing, and I will find out not just the talk of these arrogant people, but [evaluate] their [spiritual] power [whether they live up to their own claims].
2 Corinthians 12:20
For I am afraid that perhaps when I come I may find you not to be as I wish, and that you may find me not as you wish—that perhaps there may be strife, jealousy, angry tempers, disputes, slander, gossip, arrogance and disorder;
2 Corinthians 13:2-3
I have already warned those who have sinned in the past and all the rest as well, and I warn them now even though I am absent [from you] as I did when I was with you the second time, that if I come back I will not spare anyone,
2 Corinthians 13:10
For this reason I am writing these things while absent from you, so that when I come, I will not need to deal severely [with you], in my use of the authority which the Lord has given me [to be used] for building you up and not for tearing you down.