2 Corinthians 5:12-13

We are not commending ourselves to you again, but we are providing you with an occasion and incentive to be [rightfully] proud of us, so that you may have a reply for those who pride themselves on surface appearances [on the virtues they only appear to have], although their heart is devoid of them. For if we are beside ourselves [mad, as some say], it is for God and concerns Him; if we are in our right mind, it is for your benefit