One, Holy, Catholic, and Apostolic — the nature, marks, and authority of the Church founded by Christ on Peter.
Biblical inspiration, the canon, interpretation, and responding to Protestant proof-texts.
The living transmission of revelation — why Scripture alone is insufficient for the fullness of Truth.
Baptism, Eucharist, Confirmation, Reconciliation, Anointing, Orders, and Marriage — visible signs of grace.
The Immaculate Conception, Perpetual Virginity, Assumption, and Mary's role as Mother of God.
Papal primacy and infallibility — the biblical and historical case for Peter's role and his successors.
What Ignatius, Irenaeus, Augustine, Chrysostom, and others taught — pillars of the Christian tradition.
Natural law, intrinsic evil, conscience, and living in accordance with right reason and divine law.
Why the Protestant doctrine of Scripture alone is self-refuting, unbiblical, and historically novel.
Catholic teaching on salvation, faith, works, and how we respond to God's grace.
The biblical and patristic evidence for a state of purification after death.
The teaching authority of the Church — infallibility, ordinary vs. extraordinary magisterium.