John contributes commentary and other pastoral reflections to WORLD. He is founder and teacher of desiringGod.org and chancellor of Bethlehem College and Seminary. John has authored more than 50 books, including Don't Waste Your Life. John resides in Minneapolis, Minn.
Follow John Piper on Twitter @JohnPiper
The worst evil should make us tremble but not doubt
Could Jewish suffering find its final meaning in the suffering of Jesus Christ?
Taking the swagger out of Christian cultural influence
His creation rings with wonders that those with imagination present