Here’s a nice turn of phrase from Frank Stagg on 2 Corinthians 5.21:

God offers not just a certificate of health; he offers healing.

Frank Stagg, ‘Exegesis of 2 Corinthians 5:14-21’ in Jack P. Lewis, ed. Interpreting 2 Corinthians 5:14-21: An Exercise in Hermeneutics (Studies in the Bible and Early Christianity 17; Lampeter: Edwin Mellen, 1989), 161-78, at 176.