The main object of this book is to discuss the science of Yoga in as simple and rational a manner as possible, and also to debunk some of the nonsense that continues to be said and believed on the subject. A must for all those are eager to clarify their conception about Yoga.
There is only one sin. That is weakness.... The only saint is that soul that never weakens, faces everything, and determines to die game.
-Swami Vivekananda