2 Corinthians 7:14

7:14 For if I have boasted to him about anything concerning you, I have not been embarrassed by you, but just as everything we said to you was true, so our boasting to Titus about you has proved true as well.

2 Corinthians 12:6

12:6 For even if I wish to boast, I will not be a fool, for I would be telling the truth, but I refrain from this so that no one may regard me beyond what he sees in me or what he hears from me,

2 Corinthians 12:2

12:2 I know a man in Christ who fourteen years ago (whether in the body or out of the body I do not know, God knows) was caught up to the third heaven.

2 Corinthians 1:12

Paul Defends His Changed Plans

1:12 For our reason for confidence is this: the testimony of our conscience, that with pure motives and sincerity which are from God – not by human wisdom but by the grace of God – we conducted ourselves in the world, and all the more toward you.