""Matter and Spirit"" is a philosophical treatise written by John Fiske that explores the relationship between the physical world and the spiritual realm. The book delves into the history of philosophical thought on this topic, examining the ideas of ancient philosophers such as Plato and Aristotle, as well as more modern thinkers like Descartes and Kant. Fiske argues that the two realms are not separate, but rather intertwined, and that a true understanding...