2 Corinthians 10:8

If, however, I were to boast more loudly concerning the authority which the Lord gave me (not to cast you down, but to build you up), I should have no cause for shame.

2 Corinthians 13:10

For this reason I am writing thus while absent, so that when I come, I may not have to deal sharply, according to the authority which the Lord gave me for building up, and not for pulling down.

2 Corinthians 1:24

(not that I am attempting to lord it over your faith, but rather to work with you for your happiness); for your faith is stedfast.

2 Corinthians 7:14

Although I have been boasting a little to him about you, I have not been put to shame. But as in every matter I have spoken the truth to you, so also my boast to Titus has been proved to be the truth.

2 Corinthians 12:6

If I should choose to continue boasting I should not be foolish, for I should be speaking the truth. But I refrain, lest by the stupendous grandeur of the revelation any one should estimate me beyond what he sees in me, or hears from me.

2 Corinthians 13:2-3

I have said formerly, and I now forewarn you as when I was present the second time, so now when I am absent the second time, so now when I am absent, saying to those who had sinned before, and to all the rest, "If I come again, I will not spare,"

2 Corinthians 13:8

For I have no power against the truth, but only in defense of the truth.

Galatians 1:1

Paul, an apostle sent not from men nor by any man, but by Jesus Christ and by God the Father who raised him from the dead;

2 Timothy 1:12

But I am not ashamed; for I know whom I have fully believed, and I am thoroughly persuaded that he is able to keep what I have given him until the Day.

Treasury of Scripture Knowledge

Summary

For though I should boast somewhat more of our authority, which the Lord hath given us for edification, and not for your destruction, I should not be ashamed:

General references

Bible References

Though

2 Corinthians 1:24
(not that I am attempting to lord it over your faith, but rather to work with you for your happiness); for your faith is stedfast.
2 Corinthians 13:2
I have said formerly, and I now forewarn you as when I was present the second time, so now when I am absent the second time, so now when I am absent, saying to those who had sinned before, and to all the rest, "If I come again, I will not spare,"
Galatians 1:1
Paul, an apostle sent not from men nor by any man, but by Jesus Christ and by God the Father who raised him from the dead;

I should not

2 Corinthians 7:14
Although I have been boasting a little to him about you, I have not been put to shame. But as in every matter I have spoken the truth to you, so also my boast to Titus has been proved to be the truth.
2 Corinthians 12:6
If I should choose to continue boasting I should not be foolish, for I should be speaking the truth. But I refrain, lest by the stupendous grandeur of the revelation any one should estimate me beyond what he sees in me, or hears from me.
2 Timothy 1:12
But I am not ashamed; for I know whom I have fully believed, and I am thoroughly persuaded that he is able to keep what I have given him until the Day.

General references

2 Corinthians 13:8
For I have no power against the truth, but only in defense of the truth.