LIBERTY, the highest of natural endowment, being the portion only of intellectual or rational natures, confers on man this dignity--that he is in the hand of his counsel and has power over his actions.  But the manner in which such dignity is exercised is of the greatest moment, inasmuch as on the use that is made of liberty, the highest good and the greatest evil alike depend.  Man, indeed, is free to obey his reason, to seek moral good, and to strive unswervingly after his last end.  Yet he is free also to turn aside to all other things; and, in pursuing the empty semblance of good, to disturb rightful order and to fall headlong into the destruction which he has voluntarily chosen.  The Redeemer of mankind, Jesus Christ, having restored and exalted the original dignity of nature, vouchsafed special assistance to the will of man; and by the gifts of His grace here, and the promise of Heavenly bliss hereafter, He raised it to a nobler state.  In like manner this great gift of nature has ever been, and always will be, deservingly cherished by the Catholic Church; for to her alone has been committed the charge of handing down to all ages the benefits purchased for us by Jesus Christ.  Yet there are many who imagine that the Church is hostile to human liberty.  Having a false and absurd notion as to what liberty is, either they pervert the very idea of freedom, or they extend it at their pleasure to many things in respect of which man cannot rightly be regarded as free.
    We have on other occasions, and especially in Our Encyclical Letter Immortale Dei, in treating of the so-called modern liberties, distinguished between their good and evil elements; and We have shown that whatsoever is good in those liberties is as ancient as Truth itself, and that the Church has always most willingly approved and practised that good: but whatsoever has been added as new is, to tell the plain Truth, of a vitiated kind, the fruit of the disorders of the age, and of an insatiate longing after novelties.  Seeing, however, that many cling so obstinately to their own opinion in this matter as to imagine these modern liberties, cankered as they are, to be the greatest glory of our age, and the very basis of civil life, without which no perfect government can be conceived, We feel it a pressing Duty, for the sake of the common good, to treat separately of this subject.
    It is with moral liberty, whether in individuals or in communities, that We proceed at once to deal.  But, first of all, it will be well to speak briefly of natural liberty; for, though it is distinct and separate from moral liberty, natural freedom is the fountain-head from which liberty of whatsoever kind flows, sua vi suaque sponte.  The unanimous consent and judgment of men, which is the trusty voice of nature, recognizes this natural liberty in those only who are endowed with intelligence or reason; and it is by his use of this that man is rightly regarded as responsible for his actions.  For, while other animate creatures follow their senses, seeking good and avoiding evil only by instinct, man has reason to guide him in each and every act of his life.  Reason sees that whatever things that are held to be good upon earth, may exist or may not, and discerning that none of them are of necessity for us, it leaves the will free to choose what it pleases.  But man can judge of this Contingency, as We say, only because he has a soul that is simple, spiritual, and intellectual--a soul, therefore, which is not produced by matter, and does not depend on matter for its existence; but which is created immediately by God, and, far surpassing the condition of things material, has a life and action of its own--so that, knowing the unchangeable and necessary reasons of what is true and good, it sees that no particular kind of good is necessary to us.  When, therefore, it is established that man's soul is immortal and endowed with reason and not bound up with things material, the foundation of natural liberty is at once most firmly laid.
    As the Catholic Church declares in the strongest terms the simplicity, spirituality, and immortality of the soul, so with unequalled constancy and publicity she ever also asserts its freedom.  These Truths she has always taught, and has sustained them as a Dogma of Faith; and whensoever heretics or innovators have attacked the liberty of man, the Church has defended it and protected this noble possession from destruction.  History bears witness to the energy with which she met the fury of the Manicheans and others like them; and the earnestness with which in later years she defended human liberty in the Council of Trent, and against the followers of Jansenius, is known to all. At no time, and in no place, has she held truce with fatalism.
    Liberty, then, as We have said, belongs only to those who have the gift of reason or intelligence.  Considered as to its nature, it is the faculty of choosing means fitted for the end proposed; for he is master of his actions who can choose one thing out of many.  Now, since everything chosen as a means is viewed as good or useful, and since good, as such, is the proper object of our desire, it follows that freedom of choice is a property of the will, or rather is identical with the will in so far as it has in its action the faculty of choice.  But the will cannot proceed to act until it is enlightened by the knowledge possessed by the intellect.  In other words, the good wished by the will is necessarily good in so far as it is known by the intellect; and this the more, because in all voluntary acts choice is subsequent to a judgment upon the Truth of the good presented, declaring to which good preference should be given.  No sensible man can doubt that judgment is an act of reason, not of the will.  The end, or object, both of the rational will and of its liberty is that good only which is in conformity with reason.
    Since, however, both these faculties are imperfect, it is possible, as is often seen, that the reason should propose something which is not really good, but which has the appearance of  good, and that the will should choose accordingly.  For, as the possibility of error, and actual error, are defects of the mind and attest its imperfection, so the pursuit of what has a false appearance of good, though a proof of our freedom, just as a disease is a proof of our vitality, implies defect in human liberty.  The will also, simply because of its dependence on the reason, no sooner desires anything contrary thereto, than it abuses its freedom of choice and corrupts its very essence.  Thus it is that the Infinitely perfect God, although Supremely Free because of the supremacy of His intellect and of His essential goodness, nevertheless cannot choose evil; neither can the Angels and Saints who enjoy the Beautific Vision.  St. Augustine, and others urged most admirably against the Pelagians, that, if the possibility of diffection from good belonged to the essence of or perfection of liberty, then God, Jesus Christ, and the Angels and Saints, who have not this power, would  have no liberty at all, or would have less liberty than man has in his state of pilgrimage and imperfection.  This subject is often discussed by the Angelic Doctor in his demonstration that the possibility of sinning is not freedom, but slavery.  It will suffice to quote his subtle commentary on the words of Our Lord: Whosoever commiteth sin is the slave of sin. (John viii. 34.)  "Everything," he says, "is that which belongs to it naturally.  When, therefore, it acts through a power outside itself, it does not act of itself, but through another, that is, as a slave.  But man is by nature rational.  When, therefore, he acts according to reason, he acts of himself and according to his free will; and this is liberty.  Whereas, when he sins, he acts in opposition to reason, is moved by another, and is the victim of foreign misapprehensions.  Therefore, Whosoever committeth sin is the slave of sin." Even the heathen philosophers clearly recognized this truth, especially they who held that the wise man alone is free; and by the term "wise man" was meant, as is well known, the man trained to live in accordance with his nature, that is, in Justice and Virtue.
    Such then being the condition of human llberty, it necessarily stands in need of light and strength to direct its actions to good and to restrain them from evil.  Without this the freedom of our will would be our ruin.  First of all there must be Law; that is, a fixed rule of teaching what is to be done and what is to be left undone.  This Rule cannot affect the lower animals in any other way.  On the other hand, as was said above, he who is free can either act or not act, can do this or do that, as he pleases, because his judgment precedes his choice.  And his judgment not only decides what is right or wrong of its own nature, but also what is practically good and therefore to be chosen, and what is practically evil and therefore to be avoided.  In other words the reason prescribes to the will what it should seek after or shun, in order to the eventual attainment of man's last end, for the sake of which all his actions ought to be performed.  This ordination of reason is called Law.  In man's free will, therefore, or in the moral necessity of our voluntary acts being in accordance with reason, lies the very root of the necessity of Law.  Nothing more foolish can be uttered or conceived than the notion that because man is free by nature, he is therefore exempt from Law.  Were this the case, it would follow that to become free we must be deprived of reason; whereas the Truth is that we are bound to submit to Law precisely because we are free by our very nature.  For Law is the guide of man's actions; it turns him towards good by its rewards, and deters him from evil by its punishments.
    Foremost in this office comes the natural Law, which is written and engraved in the mind of every man; and this is nothing but our reason, commanding us to do right and forbidding sin.  Nevertheless all prescriptions of human reason can have force of Law only inasmuch as they are the voice and the interpreters of some Higher Power on which our reason and liberty necessarily depend.  For, since the force of Law consists in the imposing of obligations and the granting of rights, Authority is the one and only foundation of all Law--the power, that is, of fixing duties and defining rights, as also of assigning the necessary sanctions of reward and chastisement to each and all of its commands.  But all this, clearly, cannot be found in man, if, as his own supreme legislator, he is to be the rule of his own actions.  It follows therefore that the law of nature is the same thing as the Eternal Law, implanted in rational creatures, and inclining them to their right action and end; and can be nothing else but the Eternal Reason of God, the Creator and Ruler of all the world.  To this Rule of action and restraint of evil God has vouchsafed to give special and most suitable aids for strengthening and ordering the human will.  The first and most excellent of these is the power of His Divine Grace, whereby the mind can be enlightened and the will wholesomely invigorated and moved to the constant pursuit of moral good, so that the use of our inborn liberty becomes at once less difficult and less dangerous.  Not that the Divine Assistance hinders in any way the free movement of our will; just the contrary, for grace works inwardly in man and in harmony with his natural inclinations, since it flows from the very Creator of his mind and will, by whom all things are moved in conformity with their nature.  As the Angelic Doctor points out, it is so admirably adapted to be the safeguard of all natures, and to maintain the character, efficiency, and operations of each.
    What has been said of the liberty of individuals is no less applicable to them when considered as bound together in civil society.  For, what reason and the natural law do for individuals, that human law, promulgated for their good, does for the citizens of States.  Of the laws enacted by men, some are concerned with what is good or bad by its very nature; and they command men to follow after what is right and to shun what is wrong, adding at the same time a suitable sanction.  But such laws by no means derive their origin from civil society; because just as civil society did not create human nature, so neither can it be said to be the author of the good which befits human nature, or of the evil which is contrary to it.  Laws come before men live together in society, and have their origin in the natural, and consequently in the Eternal Law.  The precepts, therefore, of the natural law, contained bodily in the laws of men, have not merely the force of human law, but they possess that higher and more august sanction which belongs to the law of nature and the eternal Law.  And within the sphere of this kind of laws, the duty of the civil Legislator is, mainly, to keep the community in obedience by the adoption of a common discipline and by putting restraint upon refractory and viciously inclined men, so that, deterred from evil, they may turn to what is good, or at any rate may avoid causing trouble and distrubance to the State.  Now there are other enactments of the civil Authority, which do not follow directly, but somewhat remotely, from the natural law, and decide many points which the law of nature treats only in a general and indefinite way.  For instance, though nature commands all to contribute to the public peace and prosperity, still whatever belongs to the manner and circumstances, and conditions under which such service is to be rendered must be determined by the wisdom of men and not by Nature herself.  It is in the constitution of these particular Rules of life, suggested by reason and prudence, and put forth by competent Authority, that human law, properly so called, consists, binding all citizens to work together for the attainment of the common and proposed to the community, and forbidding them to depart from this end; and in so far as human law is in conformity with the dictates of nature, leading to what is good, and deterring from evil.
    From this it is manifest that the Eternal Law of God is the sole standard and Rule of human liberty, not only in each individual man, but also in the community and civil society which men constitute when united.  Therefore, the true liberty of human society does not consist in every man doing what he pleases, for this would simply end in turmoil and confusion, and bring on the overthrow of the State; but rather in this, that through the injuctions of the civil law all may more easily conform to the prescriptions of the Eternal Law.  Likewise, the liberty of those who are in authority does not consist in the power to lay unreasonable and capricious commands upon their subjects, which would equally be criminal and would lead to the ruin of the commonwealth; but the binding force of  human laws is in this, that they are to be regarded as applications of the Eternal Law, and incapable of sanctioning anything which is not contained in the Eternal Law, as in the principle of all Law.  Thus St. Augustine most wisely says: "I think that you can see, at the same time, that there is nothing just and lawful in that temporal law, unless what men have gathered from this Eternal Law." (De Libero Arbitrio, lib. i. cap. 6, n. 15.)  If, then, by any one in Authority, something be sanctioned out of conformity with the principles of right reason, and consequently hurtful to the commonwealth, such an enactment can have no binding force of law, as being no rule of justice, but certain to lead men away from that good which is the very end of civil society.
    Therefore, the nature of human liberty, however it be considered, whether in individuals or in society, whether in those who command or in those who obey, supposes the necessity of obedience to some Supreme and Eternal Law, which is no other than the Authority of God, commanding good and forbidding evil.  And so far from this most just Authority of God over men dimiinishing, or even destroying their liberty, it protects and perfects it, for the real perfection of all creatures is found in the prosecution and attainment of their respective ends; but the Supreme End to which human liberty must aspire is God.
    These precepts of the truest and highest teaching, made known to us by the light of reason itself, the Church, instructed by the example and Doctrine of her Divine Author, has ever propagated and asserted; for she has ever made them the measure of her Office and of  her Teaching to the Chritiian Nations.  As to morals, the Laws of the Gospel not only immeasurably surpass the wisdom of the heathen, but are an invitation and an introduction to a state of holiness  unknown to the ancients; and, bringing man nearer to God, they make him at once the possessor of a more perfect liberty.  Thus the powerful influence of the Church has ever been manifested in the custody and protection of the civil and political liberty of the people.  The enumeration of its merits in this respect does not belong to our present purpose.  It is sufficient to recall the fact that slavery, that old reproach of the heathen Nations, was mainly abolished by the beneficent efforts of the Church.  The impartiality of law and the true brotherhood of man were first asserted by Jesus Christ; and His Apostles re-echoed His Voice when they declared that in future there was to neither Jew, nor Gentile, nor Barbarian, nor Scythian, but all were brothers in Christ.  So powerful, so conspicuous in this respect, is the influence of the Church, that experience abundantly testifies how savage customs are no longer possible in any land where she has once set her foot;; but that gentleness speedily takes the place of cruelty, and the light of Truth quickly dispels the darkness of barbarism.  Nor has the Church been less lavish in the benefits she has conferred on civilized Nations in every age, either by resisting the tyranny of the wicked, or by using her influence in the support of any form of Government which commended itself to the citizens at home, because of its justice, or was feared by their enemies without, because of its Power.
    Moreover, the highest duty is to respect Authority, and obediently to submit to Just Law;; and by this the members of a community are effectualy protected from the wrongdoing of evil men.  Lawful Power is from God, and whosoever resisteth Authority resisteth the Ordinance of God; wherefore obedience is greatly ennobled when subjected to an Authority which is the most Just and Supreme of all. But where the power to command is wanting, or where a Law is enacted contrary to reason, or to the Eternal Law, or to some Ordinance of God, obedience is unlawful, lest, while obeying man, we become disobedient to God.  Thus, an effectual barrier being opposed to tyranny, the Authority in the State will not have all its own way, but the interests and rights of all will be safeguarded--the rights of individuals, of domestic society, and of all the members of the commonwealth; all being free to live according to Law and right reason; and in this, as We have shown, true liberty really consists.
    If when men discuss the question of liberty they were careful to grasp its true and legitimate meaning, such as reason and reasoning have just explained, they would never venture to affix such a calumny on the Church as to assert that she is the foe to individual and public liberty.  But many there are who follow in the footsteps of Lucifer, and adopt as their own his rebellious cry, "I will not serve"; and consequently substitute for true liberty what is sheer and most foolish license.  Such, for instance, are the men belonging to that widely spread and powerful organization, who, usurping the name of liberty, style themselves Liberals.
    What Naturalists or Rationalists aim at in philosophy, that the supporters of Liberalism, carrying out the principles laid down by Naturalism, are attempting in the domain of morality and politics.  The fundamental doctrine of Rationalism is the supremacy of the human reason, which, refusing due submission to the Divine and Eternal Reason, proclaims its own independence, and constitutes itself the supreme principle and source and judge of Truth.  Hence these followers of Liberalism deny the existence of any Divine Authority to which obedience is due, and proclaim that every man is the law to himself; from which arises that ethical system which they style independent morality, and which, under the guise of liberty, exonerates man from any obedience to the Commands of God, and substitutes a boundless license.  The end of all this it is not difficult to foresee, especially when society is in question.  For, when once man is firmly persuaded that he is subject to no one, it follows that the efficient cause of the unity of civil society is not to be sought in any principle external to man, or superior to him, but simply in the free will of individuals; that the authority in the State comes from the people only; and that, just as every man's individual reason is his only rule of life, so the collective reason of the community should be the supreme guide in the management of all public affairs.  Hence the doctrine of the supremacy of the greater number, and that all right and all duty reside in the majority.  But, from what has been said, it is clear that all this is in contradiction to reason.  To refuse any bond of union between man and civil society, on the one hand, and God the Creator and consequently the Supreme Law-Giver, on the other, is plainly repugnant to the nature, not only of man, but of all created things; for, of necessity, all effects must in some proper way be connected with their cause; and it belongs to the perfection of every nature to contain itself within that sphere and grade which the order of nature has assigned to it, namely, that the lower should be subject and obedient to the higher.
    Moreover, besides this, a doctrine of such character is most hurtful both to individuals and to the State.  For, once ascribe to human reason the only Authority to decide what is true and what is good, and the real distinction between good and evil is destroyed; honor and dishonor differ not in their nature, but in the opinion and judgment of each one; pleasure is the measure of what is lawful; and, given a code of morality which can have little or no power to restrain or quiet the unruly propensities of man, a way is naturally opened to universal corruption.  With reference also to public affairs: Authority is severed from the true and natural principle whence it derives all its efficacy for the common good; ;and the law determining what it is right to do and avoid doing is at the mercy of a majority.  Now this is simply a road leading straight to tyranny.  The empire of God over man and civil society once repudiated, it follows that Religion, as a public institution, can have no claim to exist, and that everything that belongs to Religion will be treated with complete indifference.  Furthermore, with ambitious designs on sovereignty, tumult and sedition will be common amongst the people; and when duty and conscience cease to appeal to them, there will be nothing to hold them back but force, which of itself alone is powerless to keep their covetousness in check.  Of this we have almost daily evidence in the conflict with Socialists and members of other seditious societies, who labor unceasingly to bring about revolution.  It is for those, then, who are capable of forming a just estimate of things to decide whether such doctrines promote that true liberty which alone is worthy of man, or rather pervert and destroy it.

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