In clear and persuasive language, the author has sketched the four great paths to God-realization, namely, Karma yoga, Bhakti yoga, Raja yoga and Jnana yoga.
There is only one sin -- and that sin is weakness. When I was a boy, I read Milton's Paradise Lost. The only good man I had any respect for was Satan. The only saint is the soul who never weakens, faces everything, and determines to die game.
-Swami Vivekananda