▁agent ▁for ▁the ▁relevant ▁juris diction , ▁path ic ▁disease ▁treatment ▁required ▁a ▁corresponding ▁image ▁of ▁der ang ement ▁of ▁the ▁Leb ensk raft ▁or ▁Le ib ▁( exec utive ▁organ ▁of ▁the ▁Kraft w esen ) ▁so ▁that ▁this ▁could ▁be ▁matched ▁to ▁the ▁image ▁presented ▁by ▁the ▁patient . ▁The ▁problem ▁lay ▁in ▁that ▁a ▁patient ▁could ▁present ▁with ▁more ▁than ▁one ▁disease , ▁each ▁with ▁a ▁particular ▁grouping ▁of ▁sympt oms , ▁but ▁how ▁could ▁the ▁pract ition er ▁link ▁which ▁sympt oms ▁manifest ▁dis order ( s ) ▁and ▁of ▁those ▁as cri b able ▁to ▁disease , ▁and ▁to ▁which ▁disease ▁of ▁the ▁several ▁possible ▁at ▁a ▁given ▁time ▁in ▁the ▁patient , ▁and ▁finally , ▁how ▁could ▁one ▁trace ▁any ▁sympt oms ▁so ▁identified ▁to ▁their ▁orig ins ? ▁Here ▁H ahn emann ' s ▁genius ▁ad du ced ▁a ▁living ▁experience ▁( Er leb nis ) ▁of ▁the ▁ess ence ▁of ▁a ▁natural ▁subst ance ▁( N atur w esen ) ▁by ▁way ▁of ▁a ▁human ▁pro ver , ▁and ▁in ▁doing ▁so , ▁also ▁provided ▁the ▁very ▁practical ▁scientific ▁basis ▁for ▁removing ▁the ▁bar rier ▁set ▁up ▁by ▁Kant ian ▁intellect ▁between ▁observer ▁and ▁observed , ▁by ▁inv oking ▁the ▁cogn itive ▁capacity ▁of ▁Go ethe ' s ▁Gem üt ▁( A ph or ism ▁ 2 5 3 ▁of ▁the ▁Organ on ▁der ▁Heil k unst ). ▁Go ethe ▁himself , ▁later ▁in ▁his ▁life , ▁recognized ▁that ▁H ahn emann ▁had ▁found ▁a