▁of ▁Par s ons ' ▁work ▁for ▁a ▁French ▁audience , ▁and ▁Par s ons ▁wrote ▁a ▁pre face ▁for ▁the ▁book ▁" A u ▁lect eur ▁français " ▁( To ▁the ▁French ▁Re ader ); ▁it ▁also ▁went ▁over ▁Bour rica ud ' s ▁introduction ▁very ▁carefully . ▁In ▁his ▁correspond ence ▁with ▁Bour rica ud , ▁Par s ons ▁ins isted ▁that ▁he ▁did ▁not ▁necessarily ▁treat ▁values ▁as ▁the ▁only , ▁let ▁alone ▁" the ▁primary ▁empir ical ▁reference ▁point " ▁of ▁the ▁action ▁system ▁since ▁so ▁many ▁other ▁factors ▁were ▁also ▁involved ▁in ▁the ▁actual ▁historical ▁pattern ▁of ▁an ▁action ▁situation . ▁ ▁Center ▁of ▁Advanced ▁Study ▁in ▁the ▁Be havior al ▁Sciences ▁Par s ons ▁spent ▁ 1 9 5 7 ▁to ▁ 1 9 5 8 ▁at ▁the ▁Center ▁of ▁Advanced ▁Study ▁in ▁the ▁Be havior al ▁Sciences ▁in ▁Pal o ▁Al to , ▁California , ▁where ▁he ▁met ▁for ▁the ▁first ▁time ▁Kenneth ▁Bur ke ; ▁Bur ke ' s ▁fl am boy ant , ▁explos ive ▁temper ament ▁made ▁a ▁great ▁impression ▁on ▁Par s ons , ▁and ▁the ▁two ▁men ▁became ▁close ▁friends . ▁Par s ons ▁explained ▁in ▁a ▁letter ▁the ▁impression ▁Bur ke ▁had ▁left ▁on ▁him : ▁" The ▁big ▁thing ▁to ▁me ▁is ▁that ▁Bur ke ▁more ▁than ▁anyone ▁else ▁has ▁helped ▁me ▁to ▁fill ▁a ▁major ▁gap ▁in ▁my ▁own ▁theoretical ▁interests , ▁in ▁the ▁field ▁of ▁the ▁analysis ▁of ▁express ive ▁symbol ism ." ▁ ▁Another ▁scholar ▁whom