Light is everywhere. It gives us vision, keeps us warm, and facilitates life. Light is even responsible for developments in communications technology, the internet, and space travel. However, light is not just a physical concept. It is a central theme used throughout scripture to literally and metaphorically describe spiritual concepts. Throughout history, scientists have studied light physically and theologians have studied light spiritually. But what if these two realms of study were combined? What if the physical light we see is actually related to the spiritual light discussed in scripture? Can we apply what we know about light scientifically to what we know about light doctrinally? In this book, engineer, chemist, and professor Aaron D. Franklin explores these questions and more by connecting principles of physical light to gospel truths about spiritual light. In so doing, Franklin provides an accessible way for us all, no matter our scientific or doctrinal prowess, to learn how we see, feel, and know truth—which is, of course, light.