▁further ▁determin ations , ▁which ▁are , ▁in ▁that ▁respect , ▁second ▁actual ities . ▁Yet ▁these ▁may ▁also ▁be ▁conce ived ▁as ▁first ▁actual ities . ▁Thus ▁the ▁extensive ▁quantity ▁of ▁a ▁subst ance ▁is ▁a ▁first ▁actual ity ▁when ▁compared ▁to ▁the ▁shape . ▁Power ▁is ▁a ▁first ▁actual ity ▁when ▁compared ▁to ▁action . ▁▁ ▁And ▁this ▁is ▁the ▁most ▁frequent ▁application ▁of ▁the ▁terms ▁act us ▁prim us ▁and ▁act us ▁sec und us . ▁The ▁former ▁is ▁the ▁fac ulty ; ▁the ▁latter , ▁the ▁exercise ▁or ▁function . ▁To ▁see ▁in ▁actu ▁primo ▁simply ▁means ▁to ▁have ▁the ▁sense ▁of ▁vision ; ▁to ▁see ▁in ▁actu ▁sec undo ▁is ▁to ▁actually ▁perform ▁acts ▁of ▁vision . ▁The ▁modern ▁distinction ▁of ▁potential ▁and ▁kin etic ▁energy ▁might ▁serve ▁as ▁another ▁illustr ation : ▁the ▁loaded ▁gun , ▁or ▁the ▁engine ▁with ▁steam ▁bu il dup , ▁represent ▁first ▁actual ities ; ▁the ▁bullet ▁speed ing ▁to ▁the ▁mark , ▁the ▁engine ▁flying ▁over ▁the ▁rails , ▁represent ▁second ▁actual ities . ▁ ▁See ▁also ▁Act us ▁Pur us ▁Act us ▁Ess endi ▁ ▁References ▁ ▁Category : Sch ol astic ism <0x0A> </s> ▁En rico ▁Maria ▁Sal erno ▁ ▁( Se ptember ▁ 1 8 , ▁ 1 9 2 6 ▁ ▁– ▁February ▁ 2 8 , ▁ 1 9 9 4 ) ▁was ▁an ▁Italian ▁actor , ▁voice ▁actor ▁and ▁film ▁director . ▁He ▁was ▁also ▁the ▁voice ▁of ▁Cl int ▁East wood ▁in ▁the ▁Italian