This book explores the fundamental question about how we distinguish truth from falsehood. It asks and answers simple inquiries like How do I know when I was really born? to deep questions like How do we know there is a God? Through 12 carefully crafted chapters the author lays out for us a foundation for how the mind grasps reality. The book also surveys how thinkers have approached this question through the ages. It is put together so cogently it could serve as a University textbook. It can also answer yours and my basic questions about how we apprehend reality.