10 For such grief as God approves works a change of heart leading to salvation and is never to be regretted. But the grief of the world results in death.

11 Notice this very grieving as God approves, how great earnestness resulted from it in your case, what effort to defend yourselves, what indignation, what fear, what longing, what zeal, what just punishment! In everything you showed yourselves blameless in the matter.