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

The Gospel of John uses the word "truth" more than any other book in the Bible and way more than the other Gospels combined. Not only that, but many of the most-quoted verses in John, the ones that have shaped Christian discourse over the centuries, have been concerned with the question of truth.