This seminal work asserts that free spiritual activity--understood as the human ability to think and act independently of one's physical nature--is the most appropriate path today for inner development and true self-knowledge. This is not simply a volume of philosophy, but also a friendly guide to practice and the experience of living thinking. Rudolf Steiner provides a step-by-step account of how we can come to experience living, intuitive thinking, the conscious experience of pure spirit.

Since this book was written more than a century ago, many have tried to discover the kind of new...