The Bhagavad Gita is a book, a literature, which very systematically explains the nature of Consciousness. What is the difference between a living body and a dead body? Not material chemicals. The difference is that one is conscious and one is unconscious. That consciousness is you. We are not these bodies. This is the basic principle of every transcendental philosophy although we are living our lives day after day after day, although we are these bodies; that are great illusion. But who am I? You may know history, you may know mathematics, you may know computer technology. You may know all sorts of athletics, but do you know who is it that