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 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 30: Personal Sin
Personal sin is an “action, word or desire contrary to the eternal law."
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).
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 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 29: The Person and Society
A new doctrinal outline in the "Summaries of Catholic Teaching" series. Many people have found these helpful for getting to know the Catholic faith better and explaining it to others.
Topic 28: Grace and the Virtues
Grace “is the gratuitous gift that God makes to us of his own life, infused by the Holy Spirit into our soul to heal it of sin and to sanctify it” (Catechism of the Catholic Church, 1999).
Topic 26: Freedom, Law and Conscience
God created us with the great gift of freedom. The natural law has the force of law as the voice and interpreter of the 'higher reason' of the divine Lawgiver.









