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 3: Supernatural Faith
The virtue of faith is a supernatural virtue that enables us to assent firmly to all that God has revealed.
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 30: Personal Sin
Personal sin is an “action, word or desire contrary to the eternal law."
Topic 2: Revelation
God wished to manifest himself as a personal Being through the history of salvation. He raised up and guided a people to be the custodian of his revealed word. Through that people he prepared the world for the Incarnation of his Word, Jesus Christ.
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 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.
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.








