Money: The Least of Things

The world revolves around money. We feed our children with it. We keep the lights on and shelter over our heads with it. Even the church and the gospel advance with it. Yet, Jesus calls it the least of things, and declares that if we do no abide by the standards He has set, He can't trust us with "true riches." So, what are those standards? How do we need to think about money, and how would He have us manage it, such that we can advance and be trusted with more important things?