Theosophy portrays the human being as being a part of Nature, a microcosm in the macrocosm. Although the individual human being is a whole, for purposes of study and analysis it is convenient to look at the parts which go to make up that whole. The Secret Doctrine and The Mahatma Letters describe the human constitution as having seven principles. What are those principles and how are they related to the supreme spirit, or Atman? 1980. 46 minutes.