For more commentary on this week's readings, see the Reflections on the Lectionary page, which includes Lueking's current Living by the Word column as well as past magazine and blog content. For full-text access to all articles, subscribe to the Century.

Among the most stimulating books I've read recently is Samuel Wells's Be Not Afraid, from which I picked up the phrase repeated several times in my current lectionary column for the Century: "What's God up to?" This is the question that counts.

In this week's Old Testament lesson, Jeremiah proclaims a new covenant. At its core is what God is forever up to: forgiving sins and creating the community of the forgiven with a calling in the world.