4 Wondrous, indeed, was the extent of dignity, steadfastness, and goodness which thus accrued to the State as well as to the family. The authority of rulers became more just and revered; the obedience of the people more ready and unforced; the union of citizens closer; the rights of dominion more secure. In very truth, the Christian religion thought of and provided for all things which are held to be advantageous in a State; so much so, indeed, that, according to St. Augustine, one cannot see how it could have offered greater help in the matter of living well and happily, had it been instituted for the single object of procuring or increasing those things which contributed to the conveniences or advantages of this mortal life.
Source: Arcanum Divinae (Vatican.va)