When we look around at the world today, we see innumerable problems, crises and contradictions that provoke many to feel utterly hopeless. Everywhere people have experienced the pain, the challenges, the aggressive opposition of ideas, ideologies, religions, creeds, movements, and expressions. It is possible, through the practices that have become known as Yoga, to directly participate and aid the slow evolutionary process of Nature. This book is a guide to the future evolution of consciousness and gives all those who aspire for something more luminous and harmonious a clear indication of the value and goal of their efforts.