PHILOSOPHY
  1. the pursuit of knowledge. The knowledge of the causes and laws of all things. (SPB, p. 1)
  2. a love or pursuit of wisdom or a search for the underlying causes and principles of reality. (Ron's Jour 68 *)

[*) Freezone Notice: The source of def. 2 is Ron's Journal 68. It is doubtful, that this Journal is held by LRH himself.]