Sadhana and Enlightenment   Part One   All the laws of logic and the understanding the human being generally has of the Universe and life dictate that it is inconceivable for him to be able to contemplate his physical self without the aid of some external instrument such as a mirror, a piece of metal, a clear pond, and so on. As to the contemplation of one’s inner or spiritual self, this would normally be considered to be not only totally impossible but even grossly illogica