One church across the border of death — the living, the dead in glory, and the dead being made ready, bound together in a single fellowship of prayer.
One Church in Three States
The communion of saints, confessed in the Apostles' Creed, is the belief that all the members of the church — living and dead — form a single spiritual body, united in Christ and able to help one another. The tradition names three states of this one church. The Church Militant is the faithful still on earth, pilgrims struggling toward holiness. The Church Suffering is the souls in purgatory, assured of salvation but still being purified for the vision of God, as described in The Four Last Things. The Church Triumphant is the saints in heaven, who have completed the journey and now behold God face to face. These are not three churches but one, and the traffic of prayer runs freely among them: the living pray for the dead in purgatory, and the saints in heaven pray for the living still on the way.
Intercession
The practical heart of the doctrine is intercession — the belief that the saints in glory, being fully alive in Christ and full of charity, pray for those still on earth, and that the faithful may ask for their prayers. This is the crucial distinction the tradition insists on: asking a saint to pray for you is no different in kind from asking a living friend to do so, and it is not worship. Worship (latria) belongs to God alone; the honor given to the saints is veneration (dulia), with the highest degree, hyperdulia, reserved for Mary. The saints do not answer prayers by their own power; they carry the petitions of the faithful to the one mediator, Christ. This is precisely where the Reformed and Protestant traditions object, holding that Christ is the sole intercessor and that prayer directed to any creature usurps his role — one of the enduring divides between the communions.
Canonization
The church's process for formally recognizing a saint has grown into a careful, deliberate procedure. It ordinarily begins after a candidate's death when a cause is opened and their life and writings are examined; if they are found to have lived heroic virtue, they are declared Venerable. Beatification, which permits limited public veneration and the title Blessed, typically requires a verified miracle attributed to the person's intercession (martyrs are exempt from the first miracle). Canonization, the definitive declaration that a person is in heaven and worthy of universal veneration, requires a further authenticated miracle. The process is slow and adversarial by design — historically an official argued the case against the candidate, the origin of the phrase "devil's advocate" — precisely so that the church commits its authority only to the genuinely holy. The result is the vast catalogue surveyed in Catholic Saints & Figures, including the theologian-saints raised further to Doctors of the Church.
Relics and Patronage
Two ancient practices flow from the communion of saints. Relics are the physical remains of a saint or objects connected to them, venerated as tangible links to holy lives and as reminders that the body, too, is destined for resurrection. The tradition grades them: first-class relics are the saint's own body or bones, second-class their possessions or clothing, third-class objects touched to a first-class relic. Altars have historically been built over the relics of martyrs, tying the Eucharist to the witness of the church's dead. Patronage assigns particular saints as heavenly guardians of places, occupations, and needs — Michael for soldiers and protection, Raphael for healers and travelers, Anthony for lost things, Jude for lost causes, Cecilia for musicians. The system gives the abstract communion a concrete, human face: for every trade and trouble there is a friend on the other side of death who has been there and will pray you through.
Related
- Catholicism — Collection index
- Catholic Saints & Figures — The catalogue of holy figures
- The Blessed Virgin Mary — The greatest of the saints
- Doctors of the Church — The teacher-saints
- The Four Last Things — The souls of the Church Suffering
- The Mass and the Eucharist — Altars over the relics of martyrs
- Michael — Gabriel — Raphael — The archangels of patronage
- Calvinism — The Reformed objection to intercession