2 Corinthians 10:11

Let such a person consider this, that what we are in word by letters when absent, such persons we are also in deed when present.

1 Corinthians 4:19-20

But I will come to you soon, if the Lord wills, and I shall find out, not the words of those who are arrogant but their power.

For I am afraid that perhaps when I come I may find you to be not what I wish and may be found by you to be not what you wish; that perhaps there will be strife, jealousy, angry tempers, disputes, slanders, gossip, arrogance, disturbances;

2 Corinthians 13:2-3

I have previously said when present the second time, and though now absent I say in advance to those who have sinned in the past and to all the rest as well, that if I come again I will not spare anyone,

2 Corinthians 13:10

For this reason I am writing these things while absent, so that when present I need not use severity, in accordance with the authority which the Lord gave me for building up and not for tearing down.