ü th licher ▁und ▁ge ist iger ▁Char akter ; ▁Gem ü th s art ; ▁Gem ü th s - ▁und ▁Den k ungs - ▁Art ; ▁Ge istes - ▁und ▁Gem ü th s - Or g ane , ▁Gem ü th s - Ver st imm ung . ▁ ▁H ahn emann ▁under to ok ▁in ▁the ▁human ▁real m ▁what ▁Go ethe ▁had ▁expl ored ▁in ▁the ▁plant ▁real m ▁with ▁his ▁morph ology , ▁that ▁' ad vent ure ▁of ▁reason ' ▁Kant ▁had ▁stated ▁was ▁not ▁possible , ▁and ▁observed ▁first ▁hand , ▁through ▁a ▁living ▁experience ▁( Er leb nis ) ▁the ▁impact ▁of ▁a ▁natural ▁W esen ▁( dynamic , ▁living ▁essential ▁power ) ▁on ▁a ▁human ▁W esen ▁( initial ly ▁himself , ▁and ▁later ▁other ▁volunte ers ), ▁producing ▁a ▁system atic ▁image ▁of ▁the ▁disturb ance ▁it ▁produced ▁in ▁terms ▁of ▁path ology ▁( alter ations ▁in ▁feelings , ▁functions ▁and ▁sens ations ) ▁and ▁semi ology ▁( out ward ly ▁per cept ible ▁signs ), ▁both ▁over ▁time ▁in ▁the ▁one ▁person , ▁and ▁then ▁over ▁time ▁in ▁a ▁number ▁of ▁people ▁giving ▁an ▁image ▁( B ild ) ▁of ▁the ▁disturb ance ▁through ▁its ▁various ▁expressions ▁and ▁manifest ations , ▁a ▁Go ethe an ▁approach . ▁Indeed , ▁the ▁entire ▁series ▁and ▁pro gression ▁of ▁prov ings ▁or ▁living ▁experiences ▁of ▁medic inal ▁subst ances ▁by ▁over t ly ▁health y ▁people ▁constit utes ▁an ▁example ▁of ▁what ▁Go ethe