▁the ▁ ▁Bild ung str ieb , ▁a ▁dynamic ▁power ▁that ▁was ▁evol utive , ▁progress ive , ▁and ▁cre ative . ▁ ▁Bl umen bach ' s ▁work ▁provided ▁for ▁the ▁later ▁important ▁distinction ▁( by ▁Samuel ▁H ahn emann ) ▁between ▁a ▁sust aining ▁power ▁( home ost asis ) ▁and ▁a ▁gener ative ▁power ▁( Er zeug ung sk raft ), ▁not ▁just ▁for ▁pro cre ation ▁in ▁all ▁its ▁my ri ad ▁forms , ▁but ▁also ▁cre ative ▁acts ▁of ▁the ▁mind , ▁which ▁Col er idge ▁said ▁involved ▁the ▁imagination ▁( as ▁opposed ▁to ▁fancy ), ▁both ▁primary ▁( un cons cious ▁fig uration ) ▁involving ▁per ception , ▁and ▁secondary , ▁the ▁latter ▁leading ▁to ▁app er cept ive ▁concepts ▁as ▁a ▁result ▁of ▁conscious ▁acts ▁of ▁the ▁mind ▁( ide as ▁applied ▁to ▁per ception s ). ▁ ▁All ▁of ▁this ▁set ▁up ▁a ▁climate ▁for ▁ideas ▁and ▁concepts ▁that ▁went ▁beyond ▁the ▁mechan istic ▁method ▁of ▁in ert ial ▁science , ▁one ▁that ▁allowed ▁a ▁role ▁for ▁cre ative ▁actions ▁of ▁the ▁mind ▁( works ▁of ▁art ) ▁as ▁well ▁as ▁re actions ▁to ▁sens ations ▁involving ▁objects . ▁Equ ally , ▁the ▁climate ▁was ▁condu ci ve ▁to ▁considering ▁a ▁dynamic ▁between ▁subject ▁( self ▁and ▁mind / cons cious ness ) ▁and ▁object , ▁one ▁in ▁which ▁the ▁mind ▁is ▁both ▁re cept ive ▁and ▁pro - active , ▁and ▁also ▁one ▁in ▁which ▁the ▁mind ▁is ▁critical ▁to ▁determ ining ▁the ▁meaning