man's most advancedschool of the mind. Dianetics means "through the soul" (from Greek dia, through, and nous, soul). Dianetics is further defined as "what the soul is doing to the body." It is a way of handling the energy of which life is made in such a way as to bring about a greater efficiency in the organism and in the spiritual life of the individual. —Orientation Glossary (Attachment to HCOPL 5 Feb. 79RA III)