The most important doctrine that can help us with our sex and money insanity is the doctrine of creation. Because God is Creator, then there's a wise and divine purpose for everything He created. And because He created this world, everything in it - including our body and our money - belongs completely to Him, not us. In this video, Paul David Tripp teaches about purpose and ownership from his latest book, "Sex and Money: Pleasures That Leave You Empty and Grace That Satisfies."