▁Par s ons ▁also ▁gave ▁the ▁C ul ver ▁L ect ures ▁at ▁Brown ▁and ▁spoke ▁on ▁" The ▁E volution ▁of ▁Society ". ▁The ▁lect ures ▁and ▁were ▁vide ot aped . ▁ ▁Re fin ement ▁of ▁AG IL ▁model ▁Late ▁in ▁life , ▁Par s ons ▁began ▁to ▁work ▁out ▁a ▁new ▁level ▁of ▁the ▁AG IL ▁model , ▁which ▁he ▁called ▁" A ▁Parad ig m ▁of ▁the ▁Human ▁Cond ition ". ▁The ▁new ▁level ▁of ▁the ▁AG IL ▁model ▁cry st all ized ▁in ▁the ▁summer ▁of ▁ 1 9 7 4 . ▁He ▁worked ▁out ▁the ▁ideas ▁of ▁the ▁new ▁parad ig m ▁with ▁a ▁variety ▁of ▁people ▁but ▁especially ▁L id z , ▁Fox ▁and ▁Harold ▁B ers h ady . ▁The ▁new ▁met ap ar ad ig m ▁featured ▁the ▁environment ▁of ▁the ▁general ▁action ▁system , ▁which ▁included ▁the ▁physical ▁system , ▁the ▁bi ological ▁system , ▁and ▁what ▁Par s ons ▁called ▁the ▁tel ic ▁system . ▁The ▁tel ic ▁system ▁represents ▁the ▁sphere ▁of ▁ult imate ▁values ▁in ▁a ▁she er ▁met aph ys ical ▁sense . ▁Par s ons ▁also ▁worked ▁toward ▁a ▁more ▁compreh ensive ▁understanding ▁of ▁the ▁code - structure ▁of ▁social ▁systems ▁and ▁on ▁the ▁logic ▁of ▁the ▁cy ber net ic ▁pattern ▁of ▁control ▁facil it ating ▁the ▁AG IL ▁model . ▁He ▁wrote ▁a ▁bulk ▁of ▁notes : ▁two ▁being ▁" Th ought s ▁on ▁the ▁Link ing ▁of ▁Systems " ▁and ▁" M oney ▁and ▁Time