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 9:3

9:3 But I am sending these brothers so that our boasting about you may not be empty in this case, so that you may be ready just as I kept telling them.

2 Corinthians 10:7

10:7 You are looking at outward appearances. If anyone is confident that he belongs to Christ, he should reflect on this again: Just as he himself belongs to Christ, so too do we.