Theexecutivepower，pursuantofwhathasbeenalreadysaid，oughttohaveashareinthelegislaturebythepowerofrejecting，otherwiseitwouldsoonbestrippedofitsprerogative。Butshouldthelegislativepowerusurpashareoftheexecutive，thelatterwouldbeequallyundone。
Iftheprinceweretohaveapartinthelegislaturebythepowerofresolving，libertywouldbelost。Butasitisnecessaryheshouldhaveashareinthelegislatureforthesupportofhisownprerogative，thissharemustconsistinthepowerofrejecting。
ThechangeofgovernmentatRomewasowingtothis，thatneitherthesenate，whohadonepartoftheexecutivepower，northemagistrates，whowereentrustedwiththeother，hadtherightofrejecting，whichwasentirelylodgedinthepeople。
Herethenisthefundamentalconstitutionofthegovernmentwearetreatingof。Thelegislativebodybeingcomposedoftwoparts，theycheckoneanotherbythemutualprivilegeofrejecting。Theyarebothrestrainedbytheexecutivepower，astheexecutiveisbythelegislative。
Thesethreepowersshouldnaturallyformastateofreposeorinaction。