August 21, 2010 Piper on entertainment, cultural analysis, and defaulting to the world Culture, Discernment, Discipleship, John Piper, Worldliness 0 Comments Check your heart! I’m checking mine. From Desiring God. Rate this:Share this:FacebookTwitterLinkedInEmailPrintMoreRedditLike this:Like Loading... Peter Cockrell Peter serves as a pastor-teacher, at home and abroad, resourcing gospel-centred communities.