This document discusses the nature and existence of the soul. It provides several proofs for the existence of the soul, including common sense, astral body travel, consciousness, and near death experiences. It describes the soul as indestructible, individual, composed of sat-cit-ananda, situated in the heart, changing bodies, and inconceivably small. The document contrasts the soul with the material body and mind, asserting that the soul gives form to matter and life to the body. It differentiates the soul from God, describing humans as infinitesimal souls and God as the infinite supersoul.