<p>Known as &quot;the master key&quot; and Dedicated to Hermes Trismegistus &laquo; Master of Masters &raquo; this book explains the &quot;science&quot; of spirit and outlines seven universal principles : Mentalism Correspondence Vibration Polarity Rhythm Cause and Effect and Gender. &nbsp;It clarifies the principles behind all religions and philosophies and redefines the nature of reality and the supersensible universe.</p>