This book serves as an introduction to the six systems of Hindu philosophy. Though these six systems are different in their approaches to the truth, they are unanimous as far as the final goal of humankind is concerned, which is, total eradication of suffering and attainment of state of eternal peace.
This world is nothing. It is at best only a hideous caricature, a shadow of the Reality. We must go to the Reality. Renunciation will take us to It.
-Swami Vivekananda