2 Corinthians 8:22

8:22 And we are sending with them our brother whom we have tested many times and found eager in many matters, but who now is much more eager than ever because of the great confidence he has in you.

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.