John DeRosa

Classical Theism Podcast

Religion AA ↓ 250 episodes

The Classical Theism Podcast aims to defend Catholic Christian ideas in conversation. With the help of various guests, I defend three pillars of the Catholic Christian worldview: (1) the God of classical theism exists, (2) Jesus is our Messiah and Lord, and (3) He founded the Catholic Church. We place a strong emphasis on the first pillar, defending classical theism, drawing upon the work of Thomistic philosopher Dr. Edward Feser and many others. Thanks for listening! John DeRosajderosa@classicaltheism.com

Author

John DeRosa

Category

Religion

Podcast website

www.classicaltheism.com

Latest episode

Jun 22, 2026

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Episodes

Ep. #186 - A Dialogue with an Atheist on the Gospels w/ Dana Harper 18.03.2022

Who wrote the Gospels? Are the Gospels historically reliable? Is there any good evidence for the Resurrection of Jesus? Dana Harper, the atheist who reviewed John's book One Less God Than You , joins him for a part II discussion on Jesus and the Gospels. The Classical Theism Podcast aims to defend Catholic Christian ideas in conversation. With the help of various guests, I defend three pillars of...

BONUS|How does privation theory deal with pain? w/ Harrison Jennings 07.03.2022

What is the privation theory of evil? How does it account for the positive reality of physical pain? Harrison Jennings joins us to explore this thorny issue.  The Classical Theism Podcast aims to defend Catholic Christian ideas in conversation. With the help of various guests, I defend three pillars of the Catholic Christian worldview: (1) the God of classical theism exists, (2) Jesus is our Messi...

Ep. #185 - A Response to the Aloneness Argument w/ Dr. Grant & Dr. Pawl 04.03.2022

What is the aloneness argument against classical theism? How can classical theists respond to it? Could the God of classical theism have refrained from creating? If he so refrained, would he know that he didn't create? Dr. W. Matthews Grant and Dr. Timothy Pawl join the podcast to help sort out these issues.  The Classical Theism Podcast aims to defend Catholic Christian ideas in conversation. Wit...

BONUS|Invalid Baptisms? The "We" vs. "I" Issue w/ Dr. Feingold 26.02.2022

Why were many baptisms recently deemed invalid? Isn't the Church being legalistic to say the sacrament hangs on the mere change of one word? Isn't this just a silly teaching? Dr. Lawrence Feingold joins us to explain and unpack the Church's theology of baptism and to answer questions about the "I" vs. "We" issue. The Classical Theism Podcast aims to defend Catholic Christian ideas in conversation....

Ep. #184 - "Iustificare" in the Early Church w/ Dr. Matthew J. Thomas 24.02.2022

Was justification understood as an exclusively legal term up until Augustine's time? Did St. Augustine mistakenly translate justification because he did not know Greek? Is there evidence in the early Church that justification can be understood in transformational as well as legally? Dr. Matthew J. Thomas joins us to discuss these topics and more. The Classical Theism Podcast aims to defend Catholi...

BONUS|A Response to Catholic Confusion + Critique of Balthasar w/ Dr. Chris Malloy 22.02.2022

Will the Catholic Church ever change some of its fundamental teachings? How did the Church change its messaging and posture after Vatican II? Is the doctrine of Hell still a teaching of the Church? How should Catholics think about universalism, annihilationism, and hopeful universalism? What do we make of the idea that Hans Urs that we may dare to hope for universal salvation? Dr. Christopher J. M...

OFFICE Hours|Theism, Atheism, and Simplicity w/ Pat Flynn & Jim Madden 15.02.2022

How does theism fare against atheism in terms of the theoretical virtue of simplicity? Why should simpler theories be privileged? How does Kenny Pearce respond to Graham Oppy in their recent debate book? Is the fine-tuning argument relevant in these debates? Pat Flynn & Jim Madden join the show for an office hours crossover to discuss these topics and more.  The Classical Theism Podcast aims to de...

Ep. #183 - Was the Early Church truly Catholic? w/ Joe Heschmeyer 07.02.2022

Can we truly claim the early Church was Catholic? Did major doctrines develop over time? Is there sufficient evidence that Christians of the earliest centuries actually held to Catholic beliefs? Don't several statements in the Didache, Tertullian, and others count against the Catholic position? Joe Heschmeyer joins us to discuss these topics and more as we explore his latest book: The Early Church...

Ep. #182 - The Book of Deuteronomy w/ Curtis Mitch 04.02.2022

What is the book of Deuteronomy and how is it situated in salvation history? What does the book teach us about the nature of God? If Deuteronomy 18 prohibits communication with the dead, then how can Catholics legitimately pray to saints? How can we understand the seemingly harsh punishments described by the law? Biblical scholar Curtis Mitch joins us to discuss these topics and more. The Classica...

Ep. #181 - Can the God of classical theism truly be merciful? w/ Ryan Hurd 31.01.2022

Does Aquinas hold that God is merciful? How can we say that the God of classical theism is merciful when he is immutable and timeless? What is the distinction made by Thomists between simple perfections and mixed perfections? Can we actually think of God as "most passionate" and what does this mean? Ryan Hurd rejoins the show to discuss these topics and more. The Classical Theism Podcast aims to d...

BONUS|Abp. Fulton J. Sheen on the Sacraments w/ Allan Smith 30.01.2022

Who was Archbishop Fulton J. Sheen? Why is his work important? How did Sheen highlight the "power and efficacy" of the sacraments? What does Sheen highlight about the Eucharist and marriage? Allan Smith joins us to discuss these topics and the recently edited book Archbishop Sheen's Book of Sacraments .

Ep. #180 (part 2) - Aquinas' Third Way & De Ente w/ Dr. John Knasas 24.01.2022

How should we understand the Third Way of St. Thomas Aquinas? What is going on with Aquinas' argumentation in the De Ente Ch. 4? Dr. John Knasas weighs in on these topics and more. The Classical Theism Podcast aims to defend Catholic Christian ideas in conversation. With the help of various guests, I defend three pillars of the Catholic Christian worldview: (1) the God of classical theism exists,...

Ep. #180 - Metaphysics, Aquinas, & Esse w/ Dr. John Knasas 17.01.2022

Who is Dr. John F.X. Knasas? How did he get interested in studying St. Thomas Aquinas at such a deep level? What is metaphysics? What does it mean to be an existential Thomist? How can we understand the Third Way of St. Thomas Aquinas from the standpoint of existential Thomism? Is it possible to establish the real distinction between essence and esse in creatures prior to arguing for God as the Pr...

BONUS|Revolt Against Reality, New book by Gary Michuta 15.01.2022

How has humanity revolted against reality from creation to the present day? In his new book, Gary Michuta canvasses many centuries and important episodes to show the consequences of Christological, ecclesiological, epistemological, and social revolts. He joins the show to discuss his newest work Revolt Against Reality . The Classical Theism Podcast aims to defend Catholic Christian ideas in conver...

Ep. #179 - Jesus's Genealogy in Matthew w/ Sal Ciresi 10.01.2022

Why does Matthew start his Gospel with a genealogy? What is the importance of genealogies to Gospel readers? How does the first verse of Matthew's Gospel set the stage for the entire work? How can we explain the differences between Matthew and Luke's genealogies? Why does Luke's genealogy include so many more names? Sal Ciresi joins the podcast to discuss these topics. The Classical Theism Podcast...

BONUS|Peter Kreeft, Apologetics, and Cumulative Cases w/ Pat Flynn 06.01.2022

Pat Flynn and I discuss our contributions to a recent book paying tribute to Dr. Peter Kreeft. The book is titled  Wisdom and Wonder and you can get it here >> https://amzn.to/3eQNP5B The Classical Theism Podcast aims to defend Catholic Christian ideas in conversation. With the help of various guests, I defend three pillars of the Catholic Christian worldview: (1) the God of classical theism exist...

Would You Like to Join the CT Research Team? 03.01.2022

Would you like to join the  CT Research Team ? I'm looking for people to assist with the research behind the Classical Theism Podcast. If you're interested in this, please head over to the following link and fill out the application:  www.classicaltheism.com/research

Ep. #178 - Is There a God? A Debate w/ Dr. Kenneth L. Pearce 30.12.2021

Is there a God? What contingency argument did Kenneth Pearce defend in a recent debate book with Graham Oppy? How does Pearce understand classical theism ? Does theism explain more than atheism can? We cover these topics and more as we examine Dr. Kenneth Pearce's arguments in Is There a God?: A Debate . The Classical Theism Podcast aims to defend Catholic Christian ideas in conversation. With the...

Ep. #177 - Light on the Dark Passages of Scripture w/ Dr. Mark Giszczak 27.12.2021

What are the "dark passages" of Scripture? Why can't Catholics simply shrug them off as primitive mistakes made by ancient writers? Why is it important to remember God as Teacher, Judge, and Savior? Does God kill people? Does God order people to kill people? Is the Bible a pro-slavery book? Does Scripture support polygamy? Also, can Catholics benefit from the English Standard Version of the Bible?...

BONUS|The True Meaning of Christmas w/ Dr. Michael Barber 23.12.2021

What is the real meaning of Christmas? Dr. Michael Barber joins us to discuss his recent book on the topic.  The Classical Theism Podcast aims to defend Catholic Christian ideas in conversation. With the help of various guests, I defend three pillars of the Catholic Christian worldview: (1) the God of classical theism exists, (2) Jesus is our Messiah and Lord, and (3) He founded the Catholic Churc...

Ep. #176 - Why God Makes Sense in a World That Doesn't w/ Dr. Ortlund 20.12.2021

Why should we believe in God? How can putting arguments in a "narrative frame" help us make a better case? What advantages does Christianity have over naturalism? Was Albert Einstein an atheist? How do music, math, and love point to God's existence? Is Dr. Ortlund a classical theist? Dr. Gavin Ortlund joins us to discuss these questions and more as we take a look at his new book Why God Makes Sens...

BONUS|A Former Muslim's Conversion w/ Dustin Quick 17.12.2021

Why did Dustin Quick convert to Islam? What sparked his conversion to Christianity? Why did he eventually embrace Catholicism? What arguments and considerations did he find most persuasive? Dustin Quick, the host of the YouTube Channel Holy Smokes, joins us to discuss these topics and more. The Classical Theism Podcast aims to defend Catholic Christian ideas in conversation. With the help of vario...

Ep. #175 - Vatican II (part 2) + Did JP2 kiss the Quran? w/ Fr. Blake Britton 15.12.2021

What is the false spirit of Vatican II and how can we articulate a true spirit of Vatican II? Should Catholics support Ad Orientam or Versus Populum in the sacred liturgy? What should we think about the use of the word "subsists" in the document Lumen Gentium? Did Pope St. John Paul II kiss the Quran and what follows from this? Fr. Blake Britton joins us to discuss these and further questions abou...

Ep. #174 - Does God Cause Sin? Divine Universal Causality (part 2) w/ Dr. Grant 13.12.2021

If God is the cause of everything, does he also cause sin? Why does Aquinas say that God causes the act of sin? Is it plausible that moral evil is a privation? How do you respond to common objections to the privation view of evil? If one rejects a popular free-will defense, then how can we answer the problem of evil? Dr. W. Matthews Grant joins the show for a part 2 interview on these topics. The...

BONUS|Explaining Scripture to Skeptics w/ Michael Gormley 08.12.2021

The Classical Theism Podcast aims to defend Catholic Christian ideas in conversation. With the help of various guests, I defend three pillars of the Catholic Christian worldview: (1) the God of classical theism exists, (2) Jesus is our Messiah and Lord, and (3) He founded the Catholic Church. We place a strong emphasis on the first pillar, defending classical theism, drawing upon the work of Thomi...

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