Matthias Eckoldt takes the reader on a journey through the history of understanding the human brain and the concept of the soul. From ancient Egyptian beliefs and Greek philosophers like Aristotle to Descartes' dualism and modern neuroscience, the book explores the enduring questions of consciousness, free will, and the mind-body problem. Eckoldt presents complex scientific and philosophical ideas in an accessible and engaging narrative, making the intricate history of how we perceive our own minds and selves available to a wide audience. It is an exploration of science, philosophy, and our quest for self-understanding.