Catholic Apologetics: Catholic vs. Other Faiths

Are Catholics Christian? How does the Catholic Church differ from Orthodox, Lutheran, Baptist, Methodist, Anglican or Presbyterian Christians, from Mormons, Jehovah's Witnesses or Islam? Clear, charitable answers to the questions people ask about the Church, grounded in Scripture, the Fathers and reason.

A Gothic cathedral facade with light rays, cherubs and clouds bearing the Latin words SANCTAM CATHOLICAM

Apologetics

The Four Marks of the Church: One, Holy, Catholic, and Apostolic

The four marks of the Church are One, Holy, Catholic, and Apostolic. These are the signs by which the true Church Christ founded is recognised — and only the Catholic Church bears all four.

Iter Fidei August 24, 2026

An ornately framed painting of a grapevine with grape clusters, a stone urn, and a glowing golden chalice amid light rays

Apologetics

Catholic vs Baptist: The Differences

Catholic and Baptist beliefs divide on baptism, the Eucharist, authority, the seven sacraments, and eternal security. We set out the real differences plainly, from the traditional Faith.

Iter Fidei August 21, 2026

A hooded figure kneels with candles and incense before a standing veiled Mary, a robed man on clouds above

Apologetics

Why Do Catholics Pray to Mary?

Do Catholics pray to Mary? Yes — but they do not worship her. They ask her to pray for them, as one asks a friend, because she is the Mother of God and our most powerful advocate with her Son.

Iter Fidei August 4, 2026

A gold-vested priest stands at a candlelit altar as worshippers kneel amid incense and statues in a church

Apologetics

Why Do Catholics Do That? Common Questions Answered

Short, clear answers to the questions people ask about Catholic practices — statues, praying to saints, calling priests Father, holy water, the sign of the cross — each grounded in the Faith and linked to a fuller explanation.

Iter Fidei August 3, 2026

A man kneels at a wooden confessional beside a priest, a luminous robed figure of Christ behind him

Apologetics

Why Do Catholics Confess to a Priest?

Catholics confess to a priest because Christ gave His Apostles, and their successors, the power to forgive and retain sins (John 20:23); the priest absolves in His name.

Iter Fidei June 24, 2026