2 Corinthians 5:12

5:12 We are not trying to commend ourselves to you again, but are giving you an opportunity to be proud of us, so that you may be able to answer those who take pride in outward appearance and not in what is in the heart.

2 Corinthians 13:2

13:2 I said before when I was present the second time and now, though absent, I say again to those who sinned previously and to all the rest, that if I come again, I will not spare anyone,