Encyclical by Pope Leo XIII
DsZ 3165 (3) ......Man's natural instinct moves him to live in civil society, for he cannot, if dwelling apart, provide himself with the necessary requirements of life, nor procure the means of developing his mental and moral faculties. Hence, it is divinely ordained that he should lead his life -- be it family, or civil -- with his fellow men, amongst whom alone his several wants can be adequately supplied. But, as no society can hold together unless some one be over all, directing all to strive earnestly for the common good, every body politic must have a ruling authority, and this authority, no less than society itself, has its source in nature, and has, consequently, God for its Author. Hence, it follows that all public power must proceed from God. For God alone is the true and supreme Lord of the world. Everything, without exception, must be subject to Him, and must serve him, so that whosoever holds the right to govern holds it from one sole and single source, namely, God, the sovereign Ruler of all. "There is no power but from God."
(4.) The right to rule is not necessarily, however, bound up with any special mode of government. It may take this or that form, provided only that it be of a nature of the government, rulers must ever bear in mind that God is the paramount ruler of the world, and must set Him before themselves as their exemplar and law in the administration of the State. For, in things visible God has fashioned secondary causes, in which His divine action can in some wise be discerned, leading up to the end to which the course of the world is ever tending. In like manner, in civil society, God has always willed that there should be a ruling authority, and that they who are invested with it should reflect the divine power and providence in some measure over the human race.
DsZ 3166: (8) Consequently, as Jesus Christ came into the world that men "might have life and have it more abundantly," so also has the Church for its aim and end the eternal salvation of souls, and hence it is so constituted as to open wide its arms to all mankind, unhampered by any limit of either time or place. "Preach ye the Gospel to every creature."
DsZ 3167: (10.) This society is made up of men, just as civil society is, and yet is supernatural and spiritual, on account of the end for which it was founded, and of the means by which it aims at attaining that end. Hence, it is distinguished and differs from civil society, and, what is of highest moment, it is a society chartered as of right divine, perfect in its nature and in its title, to possess in itself and by itself, through the will and loving kindness of its Founder, all needful provision for its maintenance and action. And just as the end at which the Church aims is by far the noblest of ends, so is its authority the most exalted of all authority, nor can it be looked upon as inferior to the civil power, or in any manner dependent upon it.
DsZ 3168: (13). The Almighty, therefore, has given the charge of the human race to two powers, the ecclesiastical and the civil, the one being set over divine, and the other over human, things. Each in its kind is supreme, each has fixed limits within which it is contained, limits which are defined by the nature and special object of the province of each, so that there is, we may say, an orbit traced out within which the action of each is brought into play by its own native right. But, inasmuch as each of these two powers has authority over the same subjects, and as it might come to pass that one and the same thing -- related differently, but still remaining one and the same thing -- might belong to the jurisdiction and determination of both, therefore God, who foresees all things, and who is the author of these two powers, has marked out the course of each in right correlation to the other. "For the powers that are, are ordained of God." Were this not so, deplorable contentions and conflicts would often arise, and, not infrequently, men, like travelers at the meeting of two roads, would hesitate in anxiety and doubt, not knowing what course to follow. Two powers would be commanding contrary things, and it would be a dereliction of duty to disobey either of the two.
(14.) But it would be most repugnant to them to think thus of the wisdom and goodness of God. Even in physical things, albeit of a lower order, the Almighty has so combined the forces and springs of nature with tempered action and wondrous harmony that no one of them clashes with any other, and all of them most fitly and aptly work together for the great purpose of the universe. There must, accordingly, exist between these two powers a certain orderly connection, which may be compared to the union of the soul and body in man. The nature and scope of that connection can be determined only, as We have laid down, by having regard to the nature of each power, and by taking account of the relative excellence and nobleness of their purpose. One of the two has for its proximate and chief object the well-being of this mortal life; the other, the everlasting joys of heaven. Whatever, therefore in things human is of a sacred character, whatever belongs either of its own nature or by reason of the end to which it is referred, to the salvation of souls, or to the worship of God, is subject to the power and judgment of the Church. Whatever is to be ranged under the civil and political order is rightly subject to the civil authority. Jesus Christ has Himself given command that what is Caesar's is to be rendered to Caesar, and that what belongs to God is to be rendered to God.
DsZ 3169: (33.) To wish the Church to be subject to the civil power in the exercise of her duty is a great folly and a sheer injustice. Whenever this is the case, order is disturbed, for things natural are put above things supernatural; the many benefits which the Church, if free to act, would confer on society are either prevented or at least lessened in number; and a way is prepared for enmities and contentions between the two powers, with how evil result to both the issue of events has taught us only too frequently.
DsZ 3170: (35a.) From these pronouncements of the Popes it is evident that the origin of public power is to be sought for in God Himself. and not in the multitude, and that it is repugnant to reason to allow free scope for sedition. Again, that it is not lawful for the State, any more than for the individual, either to disregard all religious duties or to hold in equal favor different kinds of religion; that the unrestrained freedom of thinking and of openly making known one's thoughts is not inherent in the rights of citizens, and is by no means to be reckoned worthy of favor and support.
DsZ 3171: (35b) In like manner it is to be understood that the Church no less than the State itself is a society perfect in its own nature and its own right, and that those who exercise sovereignty ought not so to act as to compel the Church to become subservient or subject to them, or to hamper her liberty in the management of her own affairs, or to despoil her in any way of the other privileges conferred upon her by Jesus Christ.
DsZ 3172: (35c) In matters, however, of mixed jurisdiction, it is in the highest degree consonant to nature, as also to the designs of God, that so far from one of the powers separating itself from the other, or still less coming into conflict with it, complete harmony, such as is suited to the end for which each power exists, should be preserved between them. (36.) This, then, is the teaching of the Catholic Church concerning the constitution and government of the State.
DsZ 3173: (36) By the words and decrees just cited, if judged dispassionately, no one of the several forms of government is in itself condemned, inasmuch as none of them contains anything contrary to Catholic doctrine, and all of them are capable, if wisely and justly managed, to insure the welfare of the State.
DsZ 3174: (36) Neither is it blameworthy in itself, in any manner, for the people to have a share greater or less, in the government: for at certain times, and under certain laws, such participation may not only be of benefit to the citizens, but may even be of obligation.
DsZ 3175: (36) Nor is there any reason why any one should accuse the Church of being wanting in gentleness of action or largeness of view, or of being opposed to real and lawful liberty.
DsZ 3176: (36) The Church, indeed, deems it unlawful to place the various forms of divine worship on the same footing as the true religion, but does not, on that account, condemn those rulers who, for the sake of securing some great good or of hindering some great evil, allow patiently custom or usage to be a kind of sanction for each kind of religion having its place in the State.
DsZ 3177: (36) And, in fact, the Church is wont to take earnest heed that no one shall be forced to embrace the Catholic faith against his will, for, as St. Augustine wisely reminds us, "Man cannot believe otherwise than of his own will."
DsZ 3178: (37). In the same way the Church cannot approve of that liberty which begets a contempt of the most sacred laws of God, and casts off the obedience due to lawful authority, for this is not liberty so much as license, and is most correctly styled by St. Augustine the "liberty of self-ruin," and by the Apostle St. Peter the "cloak of malice." Indeed, since it is opposed to reason, it is a true slavery, "for whosoever committeth sin is the slave of sin." On the other hand, that liberty is truly genuine, and to be sought after, which in regard to the individual does not allow men to be the slaves of error and of passion, the worst of all masters; which, too, in public administration guides the citizens in wisdom and provides for them increased means of well-being; and which, further, protects the State from foreign interference.
DsZ 3179: (38) This honorable liberty, alone worthy of human beings, the Church approves most highly and has never slackened her endeavor to preserve, strong and unchanged, among nations.