2 Corinthians 10:8

If, however, I were to boast more loudly of our Apostolic authority, which the Lord has given us that we may build you up, not pull you down, I should have no reason to feel ashamed.

2 Corinthians 13:10

For this reason I write thus while absent, that when present I may not have to act severely in the exercise of the authority which the Lord has given me for building up, and not for pulling down.

2 Corinthians 1:24

Not that we want to lord it over you in respect of your faith--we do, however, desire to help your joy--for in the matter of your faith you are standing firm.

2 Corinthians 7:14

For however I may have boasted to him about you, I have no reason to feel ashamed; but as we have in all respects spoken the truth to you, so also our boasting to Titus about you has turned out to be the truth.

2 Corinthians 12:6

If however I should choose to boast, I should not be a fool for so doing, for I should be speaking the truth. But I forbear, lest any one should be led to estimate me more highly than what his own eyes attest, or more highly than what he hears from my lips.

2 Corinthians 13:2-3

Those who cling to their old sins, and indeed all of you, I have forewarned and still forewarn (as I did on my second visit when present, so I do now, though absent)

2 Corinthians 13:8

For we have no power against the truth, but only for the furtherance 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 Jesus from among the dead--

2 Timothy 1:12

That indeed is the reason why I suffer as I do. But I am not ashamed, for I know in whom my trust reposes, and I am confident that He has it in His power to keep what I have entrusted to Him safe until that 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 we want to lord it over you in respect of your faith--we do, however, desire to help your joy--for in the matter of your faith you are standing firm.
2 Corinthians 13:2
Those who cling to their old sins, and indeed all of you, I have forewarned and still forewarn (as I did on my second visit when present, so I do now, though absent)
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 Jesus from among the dead--

I should not

2 Corinthians 7:14
For however I may have boasted to him about you, I have no reason to feel ashamed; but as we have in all respects spoken the truth to you, so also our boasting to Titus about you has turned out to be the truth.
2 Corinthians 12:6
If however I should choose to boast, I should not be a fool for so doing, for I should be speaking the truth. But I forbear, lest any one should be led to estimate me more highly than what his own eyes attest, or more highly than what he hears from my lips.
2 Timothy 1:12
That indeed is the reason why I suffer as I do. But I am not ashamed, for I know in whom my trust reposes, and I am confident that He has it in His power to keep what I have entrusted to Him safe until that day.

General references

2 Corinthians 13:8
For we have no power against the truth, but only for the furtherance of the truth;