▁s nake ▁is ▁huge ▁and ▁black , ▁but ▁what ▁else ? ▁Is ▁it ▁mol ting ▁or ▁shed ding ▁its ▁skin ? ▁Is ▁it ▁sun ning ▁itself ▁on ▁a ▁rock ? ▁Is ▁it ▁dig est ing ▁its ▁pre y ? ▁This ▁descript ive ▁strategy ▁keeps ▁the ▁image ▁alive , ▁in ▁Hill man ' s ▁opinion , ▁and ▁offers ▁the ▁possibility ▁for ▁understanding ▁the ▁ps y che . ▁ ▁The ▁Soul ' s ▁Code ▁Hill man ' s ▁ 1 9 9 7 ▁book , ▁The ▁Soul ' s ▁Code : ▁In ▁Search ▁of ▁Character ▁and ▁Call ing , ▁out lines ▁what ▁he ▁calls ▁the ▁" ac orn ▁theory " ▁of ▁the ▁soul . ▁ ▁This ▁theory ▁states ▁that ▁all ▁people ▁already ▁hold ▁the ▁potential ▁for ▁the ▁unique ▁possibilities ▁inside ▁themselves , ▁much ▁as ▁an ▁ac orn ▁holds ▁the ▁pattern ▁for ▁an ▁o ak ▁tree . ▁The ▁book ▁describes ▁how ▁a ▁unique , ▁individual ▁energy ▁of ▁the ▁soul ▁is ▁contained ▁within ▁each ▁human ▁being , ▁displayed ▁throughout ▁their ▁lifetime ▁and ▁shown ▁in ▁their ▁calling ▁and ▁life ' s ▁work ▁when ▁it ▁is ▁fully ▁actual ized . ▁ ▁Hill man ▁arg ues ▁against ▁the ▁" n ature ▁and ▁n urt ure " ▁explan ations ▁of ▁individual ▁growth , ▁suggesting ▁a ▁third ▁kind ▁of ▁energy , ▁the ▁individual ▁soul ▁which ▁is ▁responsible ▁for ▁much ▁of ▁individual ▁character , ▁asp iration ▁and ▁achiev ement . ▁He ▁also ▁arg ues ▁against ▁other ▁environmental ▁and ▁external ▁factors ▁as ▁being ▁the ▁sole ▁determin ants ▁of ▁individual ▁growth , ▁including ▁the ▁parent