Number of articles: 4700

Topic 1: The Existence of God

Can we know that God exists by reason alone? What are some of the main pathways for reaching God's existence. Can conscience and human freedom be paths to a personal God who loves us? These are some of the questions discussed in this summary of Catholic teaching.

Topic 23: Penance (II)

Priests receive from God the power to forgive sins in the name of the Father and of the Son and of the Holy Spirit.

Topic 20: The Eucharist (II)

The Holy Mass is a true sacrifice because it makes present, in the “today” of the Church’s liturgical celebration, the unique sacrifice of our redemption carried out on the Cross.

Topic 22: Penance (I)

Christ instituted the sacrament of Penance to offer us a new possibility of converting and recovering, after Baptism, the grace of justification

Topic 21: The Eucharist (III)

Faith in Christ’s real presence in the Eucharist has led the Church to offer adoration to the Blessed Sacrament, both during and outside the liturgy of the Mass.

Topic 11: Resurrection, Ascension and Second Coming

Christ’s Resurrection is a fundamental truth of our faith, as St Paul tells us (cf. 1 Cor 15:13-14). Thereby God inaugurated the life of the future world and put it at the disposition of mankind

Topic 17: Introduction to the Liturgy and the Sacraments

The liturgy is an “action of God” that unites us to Jesus Christ through the Holy Spirit (cf. "Sacramentum Caritatis," no. 37).

Topic 10: Passion and Death on the Cross

Christ died for our sins, to free us from them and redeem us from the slavery that sin introduced into mankind’s life.

Place in the Church

Opus Dei's work of spiritual formation complements the work of local churches. People who join Opus Dei or attend its activities continue to belong to their local dioceses.

Topic 19: The Eucharist (I)

The Eucharist is the memorial of Christ’s Paschal mystery, making present his unique sacrifice in the liturgy of the Church.