Topic 30: Personal Sin
Personal sin is an “action, word or desire contrary to the eternal law."
Topic 31: The First Commandment
Christ taught that to be saved we must carry out the commandments, which express the core of the natural moral law. The first commandment is twofold: love for God and love for neighbor out of love for God.
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 27: Morality of Human Acts
“Acting is morally good when the choices of freedom are in conformity with man’s true good and thus express the voluntary ordering of the person towards our ultimate end: God himself.”
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 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 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 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.
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
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.










