Defense of the Catholic and Apostolic Faith

Quick Facts

• Full Latin title: Defensio Fidei Catholicae et Apostolicae adversus Anglicanae sectae errores
• English title: Defense of the Catholic and Apostolic Faith
• Author: Francisco Suarez
• Published: 1613, Coimbra
• Main target: King James I of England's defense of the 1606 Oath of Allegiance
• Main issue: whether a king can demand civil loyalty in a way that denies papal spiritual authority
• Traditions: Late Scholasticism, Catholic Scholasticism, Natural Law Theory

The Problem

After the Gunpowder Plot of 1605, James I required English Catholics to take an oath of allegiance. The oath did not only ask them to obey the king in civil matters. It also required them to deny that the pope could ever release subjects from obedience to a ruler, depose a ruler, or authorize resistance in a religious crisis.

Suarez thought the oath mixed two questions. The first was civil loyalty: can Catholics obey a non-Catholic ruler and promise not to rebel? Suarez answered yes, if the oath stays inside civil obedience. The second was spiritual authority: can a king force Catholics to deny the pope's authority over religious matters? Suarez answered no. The work asks where royal power stops when religion is at stake.

In One Minute

Defense of the Catholic and Apostolic Faith is Suarez's answer to James I in the oath of allegiance controversy. It defends Catholic teaching against Anglican royal supremacy, but it is also a major text in early modern political thought.

The core claim is this: political authority is real, natural, and binding, but it is not absolute. A king rules a civil community for earthly peace and the common good. He does not rule the church as if he were its head. The pope, in turn, does not have direct civil control over every kingdom. His power is spiritual. But Suarez says that spiritual power can have indirect effects in temporal affairs when the salvation of souls is seriously threatened.

The Main Argument

Suarez begins from a natural-law view of political authority. Natural law means moral law that can be known by human reason because it fits human nature and the common good. Human beings need political communities because families alone cannot secure peace, justice, defense, and public order. A city or kingdom therefore needs some ruling power.

But Suarez denies that kings receive their authority immediately as private gifts from God. God is the ultimate source of all authority, but political power belongs first to the community. The community can choose a monarchy, aristocracy, mixed government, or another workable form. Once power is given to a ruler, subjects owe obedience in civil matters. That is why Suarez does not treat rebellion as a normal option.

James's oath goes wrong, Suarez argues, because it asks for more than civil obedience. It tries to settle a theological dispute by royal command. A king may demand that subjects keep peace, pay lawful taxes, and avoid treason. He may not require them to deny a spiritual jurisdiction that Catholics believe Christ gave to the church.

Suarez then distinguishes two powers. Temporal power is civil power: the authority to govern public life, punish crimes, make laws, and protect the common good. Spiritual power is church power: the authority to teach doctrine, govern the sacraments, judge religious duties, and guide souls toward salvation. The two are not the same office. The king is not the pope, and the pope is not an ordinary civil king.

The controversial part is Suarez's doctrine of indirect papal power. "Indirect" matters. He does not say the pope directly owns England or runs its courts. He says the pope may intervene indirectly when civil rule gravely endangers the faith. For example, if a ruler uses law to force Christians to betray their religion, Suarez thinks the church may judge that the ruler has crossed a limit.

Resistance follows from that limited view of authority. A lawful ruler should normally be obeyed, even if he is personally unjust or not Catholic. But a tyrant is a ruler who uses power against the common good. Suarez allows resistance in serious cases, especially against a usurper or a ruler whose actions destroy the basis of legitimate rule. This is not a blank check for private violence. It is a dangerous emergency doctrine tied to public authority, justice, and the protection of the community.

Key Ideas With Examples

• Oath of allegiance: an oath is a sworn promise before God. Suarez accepts the idea of promising civil loyalty. A Catholic could swear not to plot against James, not to join an invasion, and not to disturb public peace. The problem is an oath that also forces a Catholic to deny papal spiritual authority.

• Royal supremacy: this is the claim that the king is supreme governor over both civil and church affairs in his realm. Suarez rejects it. A king can appoint judges and enforce civil law, but he cannot decide by royal command what the church's spiritual authority is.

• Temporal power: this is power over earthly public life. Passing laws about courts, roads, taxes, trade, punishment, and defense belongs here. Suarez thinks temporal rulers are truly supreme within this civil sphere.

• Spiritual power: this is power over religious teaching, sacraments, church discipline, and salvation. If a ruler orders people to violate their faith, Suarez thinks the issue is no longer merely civil.

• Indirect papal power: this is papal authority touching political affairs only because a spiritual issue is involved. A doctor can overrule a coach when a player's health is at risk. The doctor is not the coach, but health can limit the coach's decision.

• Popular source of political authority: Suarez does not mean modern democracy in the usual sense. He means that political authority is naturally rooted in the community before it is placed in a ruler. A king is legitimate because the community's political power has been organized through him, not because his private body carries an unlimited divine title.

• Tyranny: tyranny is rule turned against the common good. If a ruler protects courts, peace, and public order, subjects owe obedience even when he is flawed. If he becomes a destroyer of the community or a usurper with no right to rule, Suarez allows stronger forms of resistance.

Why It Matters

The book matters because it joins a theological dispute to a wider argument about limits on sovereignty. Sovereignty means supreme public authority within a political community. James wanted sovereignty protected from papal interference. Suarez wanted sovereignty limited by natural law, the common good, and the higher claims of spiritual authority.

It also shows how Late Scholasticism answered live early modern problems: state power, religious conflict, consent, resistance, and the boundaries between church and civil government.

For later political thought, the book is important because it rejects simple divine-right monarchy. It does not produce modern liberalism, and it does not defend religious freedom as a modern individual right. But it does help keep alive the idea that rulers are answerable to law and can lose moral authority when they attack the goods they exist to protect.

Proponents, Critics, and Opponents

Suarez wrote as a Jesuit Catholic theologian, close to the broader Catholic position defended by Robert Bellarmine and other Counter-Reformation writers. His side insisted that Catholics could be civilly loyal without accepting the king as judge over the church.

James I and his supporters saw that as politically dangerous. They thought the theory exposed Christian rulers to papal judgment and religiously motivated resistance. The book was burned in London in 1613, and French authorities also reacted strongly because Gallican Catholics in France wanted to limit papal claims over temporal politics.

Later royalist critics such as Robert Filmer attacked Suarez-style arguments because they challenged patriarchal and divine-right theories of monarchy. Thomas Hobbes also pushed in the opposite direction from Suarez by making civil sovereignty much more absolute and by treating divided religious-political authority as a source of conflict.

Related Pages

• Francisco Suarez
• On Laws
• Late Scholasticism
• Catholic Scholasticism
• Natural Law Theory
• Reformation Thought
• Early Modern Philosophy
• Thomas Hobbes