What does it mean to be a truly spiritual Christian? At a time when there is no shortage of answers competing for our attention, how do we know what really is from God? This book looks for answers in the Bible, focusing on Paul's first letter to the church in Corinth. The Corinthians really thought they had arrived. By contrast, Paul was unspiritual, ignorant, weak and foolish. Paul writes a strongly corrective letter, not simply to defend his reputation...