Cross reference
2 Corinthians 10:11
11 Let such a one reckon this, that, what we are in word by letters when we are absent, such `are we' also in deed when we are present.
1 Corinthians 4:19-20
19 But I will come to you shortly, if the Lord will; and I will know, not the word of them that are puffed up, but the power.
20 For the kingdom of God is not in word, but in power.
2 Corinthians 12:20
20 For I fear, lest by any means, when I come, I should find you not such as I would, and should myself be found of you such as ye would not; lest by any means `there should be' strife, jealousy, wraths, factions, backbitings, whisperings, swellings, tumults;
2 Corinthians 13:2-3
2 I have said beforehand, and I do say beforehand, as when I was present the second time, so now, being absent, to them that have sinned heretofore, and to all the rest, that, if I come again, I will not spare;
3 seeing that ye seek a proof of Christ that speaketh in me; who to you-ward is not weak, but is powerful in you:
2 Corinthians 13:10
10 For this cause I write these things while absent, that I may not when present deal sharply, according to the authority which the Lord gave me for building up, and not for casting down.