""Reason is God"" is a philosophical work by Eliphas Levi, a prominent 19th-century French occultist and writer. In this book, Levi explores the relationship between reason and spirituality, arguing that reason is not only compatible with, but essential to, a true understanding of God and the universe. He draws on a variety of sources, including ancient philosophy, Christian mysticism, and his own experiences as a practitioner of magic, to make his...