Each Soul is potentially divine and the goal is to manifest the divinity that is within, by controlling nature, external and internal. We shall have to do this either by work, worship, psychic control, or philosophy - and eventually, all be free. This fascinating book contains a treatise on Raja yoga, and comprises a wealth of enlightening information on the subject sure to appeal to discerning students and enthusiastic beginners. Split into the two sections; 'Raja Yoga' and 'Patanjali's Yoga Aphorisms', this book contains the chapters: The First Steps; Prana; The Psychic Prana; The Control of Psychic Prana; Patyahara and Dharana; Dhyana and Samadhi; Raja-Yoga in Brief; Powers; and Independence. Swami Vivekananda was an Indian Hindu monk and disciple of the nineteenth-century saint Ramakrishna. This book was originally published in 1923 and is proudly republished now complete with a new introduction to the subject.