Christ reigns where the position in society which He Himself has assigned to His Church is recognized, for He bestowed on the Church the status and the constitution of a society which, by reason of the perfect ends which it is called upon to attain, must be held to be supreme in its own sphere; He also made her the depository and interpreter of His divine teachings, and, by consequence, the teacher and guide of every other society whatsoever, not of course in the sense that she should abstract in the least from their authority, each in its own sphere supreme, but that she should really perfect their authority, just as divine grace perfects human nature, and should give to them the assistance necessary for men to attain their true final end, eternal happiness, and by that very fact make them the more deserving and certain promoters of their happiness here below.
Confines erant hi Senonibus civitatemque patrum memoria coniunxerant, sed ab hoc consilio afuisse existimabantur.vatican.va vatican.va