The National Catholic Register reports on Leo XIV’s first encyclical, *Magnifica Humanitas*, which declares the Catholic just war theory “now outdated” due to modern weaponry, while paradoxically affirming the right to self-defense. The article presents this as a natural evolution of doctrine, citing Vatican II’s *Gaudium et Spes* and Francis-era concerns about autonomous weapons as precedents. This encyclical represents not a development but a capitulation — the final abandonment of the Church’s divine mandate to judge nations and the enthronement of humanitarian pacifism over the justice of God.
The Abolition of Justice in the Name of Peace
The encyclical *Magnifica Humanitas* stands as a monument to the complete inversion of Catholic moral teaching on war and peace. When Leo XIV declares the just war theory “now outdated,” he does not merely adjust a disciplinary norm — he repudiates the perennial teaching of the Church, the unanimous testimony of the Fathers, and the very justice of God Himself. This is not development; it is apostasy dressed in the language of compassion.
The Catholic teaching on just war is not a human convention subject to historical revision. It flows from the natural law itself, inscribed by the Creator in the heart of man, and confirmed by divine revelation. As St. Augustine taught — and as the Angelic Doctor, St. Thomas Aquinas, systematized — bellum potest esse iustum (war can be just) when waged by a legitimate authority, for a just cause, and with right intention. This teaching was never “outdated”; it is as immutable as the Ten Commandments themselves, for it is rooted in the same eternal law.
Pius XI, in *Quas Primas*, proclaimed that Christ the King reigns over all nations, and that rulers who refuse Him public obedience bring ruin upon their peoples. The just war doctrine is an application of this royal authority: when a nation commits grave injustice, the aggrieved party has the right — indeed, sometimes the duty — to resist by force. To declare this “outdated” is to declare that Christ’s kingship over nations is outdated. It is to say that the God of Hosts, who commanded Israel to execute His judgments upon the Canaanites, has changed His nature.
The Heresy of “Unarmed and Disarming” Peace
Leo XIV’s inaugural address from the balcony — speaking of a peace that is “unarmed and disarming” — reveals the spiritual disease at the heart of this pontificate. This language is not Catholic; it is the language of the Sermon on the Mount ripped from its supernatural context and applied to the natural order as a political program. Our Lord’s command to “turn the other cheek” governs the interior disposition of the Christian soul and the conduct of individuals in certain circumstances. It was never intended to paralyze nations from defending the innocent, punishing the wicked, and upholding justice.
The Fathers of the Church understood this with perfect clarity. St. Ambrose wrote: “Virtus enim non est vitium fugere, sed vitium vincere” (“For virtue is not to flee vice, but to overcome it”). St. Augustine, in *Contra Faustum*, defended the justice of war waged to protect the innocent and punish evil: “Gesta ipsa bella gesta iusta esse, quae suscipiuntur propter inferendas poenas aut propter ulciscendas iniurias” (“Those wars themselves are just which are undertaken to inflict punishment or to avenge injuries”).
The “unarmed peace” proclaimed by Leo XIV is the peace of the world — pax mundi — which Our Lord explicitly distinguished from His own peace: “Non veni dare pacem in terram, sed gladium” (“I came not to send peace, but a sword” — Matt. 10:34). This is the peace of Antichrist, who promises universal harmony while trampling upon the Cross.
Vatican II as the Trojan Horse
The article correctly identifies *Gaudium et Spes* 79 as the watershed document, but fails to recognize it for what it is: the breach through which the spirit of the world flooded into the Church. The passage cited — “As long as the danger of war remains and there is no competent and sufficiently powerful authority at the international level, governments cannot be denied the right to legitimate defense” — is a masterpiece of modernist ambiguity. It conditions the right of self-defense on the absence of a “competent international authority,” thereby subordinating the sovereignty of nations to the very globalist structures that the Masonic sect has labored for centuries to erect.
This is precisely the strategy condemned by Pius IX in the *Syllabus of Errors*, where he reprobated the proposition that “the principle of non-intervention ought to be proclaimed and observed” (Error 62) and that the Church should reconcile herself “with progress, liberalism, and modern civilization” (Error 80). The conciliar document does not develop doctrine; it surrenders the Church’s supernatural mission to the political order of the world.
Leo XIV’s encyclical merely draws the logical conclusion from this poisoned premise. If the right of self-defense is conditional upon the absence of international authority, and if that authority is progressively being established through bodies like the United Nations — which Pius XI and Pius XII both viewed with grave suspicion — then the right of self-defense is progressively extinguished. This is not Catholic teaching; it is the program of the United Nations, baptized with holy water.
The Phantom of “Legitimate Defense”
The article quotes Cardinal Michael Czerny affirming that “the right to self-defense” remains, while simultaneously declaring it “impossible to justify a war.” This is a contradiction that exposes the bad faith of the conciliar apparatus. If self-defense is a right, then its exercise is by definition just. To affirm the right while denying its application is to render the right meaningless — a rhetorical sleight of hand designed to pacify the faithful while dismantling the moral framework that protects them.
The Catechism of 1992, cited in the article, already laid the groundwork for this abolition by imposing conditions so stringent that virtually no modern conflict could satisfy them: “lasting, grave, and certain” damage, exhaustion of “all other means,” “serious prospects of success,” and the assurance that evils produced will not exceed the evil eliminated. These conditions, while superficially reasonable, are applied in a manner that makes defensive war practically impossible, since the evaluation is left to the “prudential judgment” of political authorities — who, in the modern world, are almost invariably servants of the globalist order.
What the encyclical and the Catechism both refuse to acknowledge is the most fundamental just cause of all: defensio fidei — the defense of the faith. The Church once taught that war could be waged to recover sacred places, to protect persecuted Christians, or to resist the propagation of heresy by force. This teaching, rooted in the practice of Christendom from the Crusades to Lepanto, has been systematically erased by the conciliar sect in its pursuit of dialogue with the enemies of God.
Technology as a Pretext for Disarmament
The appeal to nuclear weapons and autonomous “killer robots” as grounds for abolishing the just war doctrine is a red herring of the most dangerous kind. The existence of more destructive weapons does not change the moral principles governing their use; it only increases the gravity of the obligation to use them justly. A sword and a nuclear weapon are morally equivalent in principle: both can be used justly or unjustly. The question is never the weapon itself, but the justice of the cause and the right intention of the wielder.
Pius XII, in his radio address of August 24, 1939, warned that “nothing is lost with peace; everything may be lost with war” — but he did not thereby abolish the right of nations to wage just war. He urged prudence, not capitulation. The conciliar popes have gone infinitely further: they have used the horrors of war as a pretext to delegitimize war itself, thereby leaving the innocent defenseless before the aggressor.
The concern for “autonomous weapons” that “facilitate attacks without seeing the face of human beings” is particularly revealing. It substitutes a sentimental humanitarianism for the virtue of justice. The face of the enemy is irrelevant to the morality of war; what matters is whether the war is just. A soldier who kills an unjust aggressor in defense of his homeland does not need to see his face to act justly. This rhetoric of “seeing the face” is the language of the world — the language of emotional manipulation that replaces moral reasoning with sentimentality.
The Silence That Condemns
What the encyclical *Magnifica Humanitas* does not say is far more damning than what it does say. There is no mention of sin as the root cause of war. There is no mention of the justice of God, which demands that evil be punished. There is no mention of the supernatural end of man, for whom temporal peace is subordinate to eternal salvation. There is no mention of the social kingship of Christ, which obliges nations to order their affairs according to divine law. There is no mention of the last judgment, where every nation will be judged according to its works.
This silence is not accidental; it is the defining characteristic of the conciliar religion. The Church of the New Advent has replaced the God of justice with the god of humanitarianism, the Cross with the olive branch, and the sword of the spirit with the mush of dialogue. Leo XIV’s encyclical is the logical culmination of this apostasy: a document that speaks endlessly of peace while having nothing to say about the Prince of Peace, that laments the horrors of war while denying the right of nations to wage it justly, and that appeals to human compassion while ignoring the divine justice that alone makes peace possible.
“Peace is only possible in the kingdom of Christ” (Pius XI, *Quas Primas*). Outside of that kingdom, there is only the false peace of the world — the peace that the world gives, which is no peace at all.
Source:
Can Wars Still Be Just? Pope Leo XIV Addresses the Issue in ‘Magnifica Humanitas’ (ncregister.com)
Date: 29.05.2026