The heart of productivity is glorifying God by serving others. It is giving back to him what he has entrusted to each of us. This article explains that there are five things you can give to God: gifts, talents, time, energy, and enthusiasm.
Chapter 3 considers the challenge of modern materialism to the understanding of Scripture. Materialism function with the conviction that the world consists of matter and motion and energy; God is irrelevant. Poythress reflects on how Christians can approach this challenge.