Praying with St. Irenaeus

Summary

Catholic Saints – "Praying with St. Irenaeus"

Podcast by the Augustine Institute
Date: June 28, 2026
Host: Dr. Jessica Yule
Guest: Dr. Jean Paul

---

Episode Overview

This episode explores the prayer life and enduring spiritual legacy of St. Irenaeus, an early Church Father and Bishop of Lyons (Lyon), celebrated as a champion of orthodoxy and unity in the face of early Church controversies. Rather than focusing on St. Irenaeus’s biography, the discussion delves into how his theology, especially his battle against Gnosticism, shapes Catholic understandings of prayer, unity, the body, and incarnational faith. Dr. Jessica Yule and Dr. Jean Paul offer practical takeaways for Catholics today, drawing wisdom from Irenaeus on how to pray as fully embodied children of God, united in faith and worship.

---

Key Discussion Points & Insights

1. Introduction: Why Irenaeus Matters (00:33–02:02)

• Learning Through Saints: The podcast focuses on how saints, through their example of prayer and lived faith, offer guidance to today’s faithful.
• Personal Academic Connection: Dr. Jean Paul shares that his recent reading of Irenaeus’s "Demonstration of the Apostolic Preaching" coincides with this episode, highlighting its accessibility and value as a concise summary of early Christian faith.
  • Quote: “It's a nice little treasure in a pocket sized book.” (01:26, Dr. Jean Paul)

2. Who Was St. Irenaeus? Context & Life (02:20–04:28)

• Life and Connections:
  • Wrote ~180 AD in Gaul (modern-day France, then called Lyons/Lyon).
  • Student of Polycarp, who was a direct disciple of St. John the Evangelist—emphasizing Irenaeus’s close connection to apostolic tradition.
• Peacemaker and Unity Promoter:
  • Best known for resolving Church disputes (notably on the date of Easter), earning his name’s root meaning “peace.”
  • Quote: “He was kind of a peacemaker… he smoothed things over.” (03:26, Dr. Jean Paul)

3. Irenaeus vs. Gnosticism: Controversy and Clarity (04:28–06:05)

• Major Writings:
  • "Against Heresies": A five-volume work exposing and refuting Gnosticism.
• Gnosticism Defined:
  • Valued secret spiritual knowledge over public apostolic teaching.
  • Claimed salvation was for a select elite—not universally available.
  • Quote: “It was this great conspiracy theory… that was winning over prominent people… especially people of financial wealth.” (05:19, Dr. Jean Paul)
• Response Strategy:
  • Irenaeus brought false teachings into the open, breaking their hold by public exposure and ridicule.

4. The Unity of the Church: Doctrine, Worship, and Prayer (06:22–10:37)

• Public Nature of the Faith:
  • Emphasized that true doctrine is public, universal, and apostolic.
• Apostolic Succession:
  • Irenaeus is an early witness to the unbroken line from apostles to bishops.
• Unity with Rome:
  • “For every church must be in harmony with this church because of its outstanding preeminence… the apostolic tradition is preserved in it.” (08:01, quoting Irenaeus via Dr. Jean Paul)
• Faith Like the Sun:
  • “The meaning of the Christian tradition is one and the same as God’s creature, the Sun, is one in the same in the whole world.” (08:32, quoting Irenaeus)
• Unity as Work of the Spirit:
  • Dr. Yule connects Irenaeus’s unity message to Vatican II’s “Lumen Gentium”: the Spirit unifies the Church in faith and prayer (09:11).

5. Doctrine, Worship, and the Body: Incarnational Spirituality (10:37–13:33)

• Gnostic Error:
  • Gnostics rejected physical matter and sacraments, denying Christ’s incarnation and bodily resurrection.
• Irenaeus’s Teaching:
  • Salvation includes body and spirit—affirmed by Christ’s real incarnation and Eucharist.
  • Quote: “…if this mortal flesh is not saved, then neither did the Lord redeem us by his blood, nor the cup of the Eucharist… nor the bread which we break…” (11:15, quoting Irenaeus)
• Teaching Summary:
  • For Irenaeus, worship, prayer, and doctrine are inseparable.
  • The Church is unapologetically incarnational—affirming the goodness of the body and creation.

6. Practical Takeaways: Embodied Prayer (12:33–15:56)

• Prayer Involves the Whole Person:
  • Catholics should pray as embodied beings—the body’s gestures, postures, use of the senses, and physical surroundings all matter.
  • Quote: “What we do with our body matters… worship is not just something that happens purely in our spirit…” (13:15, Dr. Jean Paul)
• Integration in Worship:
  • Use of objects (rosaries), images, incense, and other sensory elements flows from Irenaeus’s affirmation of material creation’s goodness.
  • Quote: “We need kind of physical contact, touchable things to pray with… audible things… sensory with incense. All these things are expressions… of our embodied way of worshiping God.” (15:36, Dr. Jean Paul)

7. Irenaeus’s Lasting Spiritual Lessons (15:57–17:11)

• Unity and Universality:
  • Irenaeus believed the Gospel is for everyone—not a select few.
• Learning and Service:
  • Those with theological knowledge should use it to serve others, not set themselves apart.
  • Quote: “There’s one Christian message… accommodated to the ability of any person to understand and receive.” (16:35, Dr. Jean Paul)

---

Memorable Quotes & Moments

• On Gnostic Secrecy:
  • “All the power of this heresy is in their secrets… it loses much of its power when it’s just out in the daylight.” (05:46, Dr. Jean Paul)
• On Catholic Embodiment:
  • “We are to be saved, you know, not only in soul and spirit, but also in body.” (14:56, Dr. Jean Paul)
• On Universality:
  • “[The Gnostics were] very elitist… But [Irenaeus] believes there’s one Christian message that is accommodated to the ability of any person to understand and to receive.” (16:40, Dr. Jean Paul)

---

Timestamps for Important Segments

• 00:33 – Introduction to episode's prayer focus
• 01:12 – Dr. Jean Paul’s personal reading of Irenaeus
• 02:20 – Life and apostolic connections of Irenaeus
• 04:28 – The Gnostic controversy and Irenaeus’s refutation
• 06:49 – Spirituality in theological treatises, unity of Church doctrine
• 08:01 – Irenaeus on harmony with Rome and apostolic tradition
• 10:19 – Why the body, material creation, and sacraments matter
• 11:15 – Eucharist, Incarnation, and the salvation of the flesh
• 12:59 – Practical lessons on prayer as embodied persons
• 15:36 – Catholic sensory worship: objects, images, incense
• 16:35 – Irenaeus’s legacy: universality and service through knowledge

---

Faithful’s Takeaway – How To “Pray with St. Irenaeus”

• Affirm unity with the universal Church—faith, worship, and prayer are united.
• Pray with your whole self—bring body, mind, and senses into relationship with God.
• Reject elitism in faith; be open to God’s truth made accessible to all.
• Embrace the goodness of creation in your devotional life—use sacred objects, images, and gestures as authentic means of encountering God.

---

Closing Blessing

“We ask St. Irenaeus, pray for us.” (17:36, Dr. Jessica Yule)

---

For more episodes on the saints’ lives and spirituality, visit the Augustine Institute channel or search for related topics.

Transcript

[Podcast Host/Announcer]

You're listening to a podcast on Catholic Saints. This podcast is produced by the Augustine Institute, an apostolate helping Catholics understand, live and share their faith.

[Dr. Jessica Yule]

Hello and welcome to Catholic Saints, the podcast about the lives of the saints and their legacy for the church and for us. I'm Dr. Jessica Yule and I'm joined today by Dr. Jean Paul. Welcome. So happy to have you today.

[Dr. Jean Paul]

Thanks. Yeah, it's great to be here.

[Dr. Jessica Yule]

So we're going to be doing a little bit of something different today. We know that one way that the saints help us is through modeling a life of prayer that brought them closer to God. By learning from the ways they prayed, we too can grow in our relationship with God. During this episode, we're going to learn a little bit of wisdom from St. Irenaeus. So before we get started, I want to just talk a little bit about what is going on in your life in terms of your intellectual growth. Because as a professor we always grow by learning and reading and taking that to our students. So what have you been reading lately?

[Dr. Jean Paul]

That's right. So in my fun reading time, I should be reading, you know, spy novels, but I'm actually just reading more church fathers. And so it is a great providential coincidence that as you're having me speak about St. Irenaeus, I am also reading Irenaeus. But it's hard to get away from him for too long. So I'm reading a short work that's accessible, I think to many that you could get. It's the demonstration of the apostolic preaching and it's a very short kind of condensed work. Irenaeus has almost like a summary of the faith of the Christian faith. It's, I think it was only discovered in the early 1900s if I'm not mistaken. So it's a nice little treasure in a pocket sized book.

[Dr. Jessica Yule]

That's really cool. I wonder if it's digital. That'd be neat.

[Dr. Jean Paul]

Oh yeah. I would be surprised if not. So I recommend that to everyone.

[Dr. Jessica Yule]

Yeah, very cool. So today is the feast day of St. Geneus and we are going to be talking about his prayer life and what he can teach us. But before we do that, we let's just refresh ourselves a little bit into when did he live, what was his life like? You want to start with that?

[Podcast Host/Announcer]

Yeah.

[Dr. Jean Paul]

Good. So he's writing primarily around 180 and so, you know, we can kind of guess on, on his age around there. But he's in a very important line of being someone who associated with polycarp. Polycarp is A famous martyr who himself, you know, is reported to have been a student of John the Evangelist. Right. And so Irenaeus is connected in this line, so, so close to the apostles themselves.

[Dr. Jessica Yule]

Where did he live? Was he in the same area as.

[Podcast Host/Announcer]

Oh, great.

[Dr. Jean Paul]

Yeah, I should have started there. Yeah. So, you know, we call him Irenaeus of Lyons, but I guess we could be be more fitting with the French and call him Irenaeus of Leon. Right. But so it would be Gaul. So modern day.

[Dr. Jessica Yule]

Wow. That's a long way from the Holy Land.

[Dr. Jean Paul]

Right, that's right.

[Dr. Jessica Yule]

And do we know much about his early life or how he got there or anything like that?

[Dr. Jean Paul]

So the details are a bit spotty on his early life, as often happens. The most we really know about him, Eusebius, the church historian, gives us a little bit of information of how he settled a controversy in the Church. His name comes from a word meaning peace. And he was kind of a. A peacemaker. When there was a dispute over, you know, whether some would celebrate Easter at the same date as the Pope was, you know, declaring Easter to be celebrated, there was a threat of excommunication and he, you know, smoothed things over. And so anyhow, so we know about this kind of interesting event in his life, but otherwise, most of what we know of Irenaeus just comes from his theological writing. So in addition to that short work I was telling you about, he has a five volume work commonly known as Against All Heresies or Against Heresies. Comprehensive. Yeah, excuse me, Against Heresies or it's also known as the, you know, the refutation and overthrow of the knowledge falsely so called. Right. So Against Heresies is a much catchier title.

[Dr. Jessica Yule]

So were there a lot of controversial things going on at the time? I mean, I'm sure there's always something. Right. But what was he really concerned about and what were people being sort of drawn toward that was probably not good for them at the time.

[Dr. Jean Paul]

Right, Great. So the major impetus of his writing Against Heresies is a trend of movement of certain thinkers towards what we call today Gnosticism. Right. And so, in short, Gnosticism taught that knowledge alone, right, a kind of secret knowledge was sufficient for salvation. And that this kind of secret knowledge of the world, of all reality, of yourself, was communicated again, you know, not publicly through, you know, apostolic preaching, but through a secret line of teachers that they claim trace back to the apostles. And so it was this great conspiracy theory, right, that was winning over, you know, prominent people within the church, especially people of financial wealth. And so Irenaeus is really going to refute this, this heresy. Right. Primarily just by exposing it. Right. Bringing it to light. Because all the power of this heresy is in their secrets. Right. And so if you're not in the

[Dr. Jessica Yule]

cool kids club, then you can't be saved.

[Dr. Jean Paul]

Right. And so the first two books of Against Heresies really is him just laying out this kind of bizarre mythology that the Gnostics are proclaiming and ridiculing it in the open. Right. And so it loses much of its power when it's just out in the daylight.

[Dr. Jessica Yule]

Yeah, absolutely. What is he the patron saint of? Do we know?

[Dr. Jean Paul]

That's a great question. He would definitely be, in my mind, the patron saint of refuting Gnostics. He's very good at it. So if you have any Gnostics bothering you. Yeah, absolutely. Ask for his intercession. Yeah, that's great.

[Dr. Jessica Yule]

So now what do we know about his prayer life? What do we know about maybe not even his particular prayer life? Because I know sometimes writings about that A lot of the saints don't really want to talk about their most intimate relationship with God in the public. But what can we learn from him and how can we take his example to heart?

[Dr. Jean Paul]

Great. Yeah. There's a couple things I'd like to say on this. I think you're right that often with these early church fathers, we're not, you know, reading their prayer diaries or their prayer journals or. Right. Or their meditations in the chapel. Right, of course. But we're reading theological treatises that are not meant to just be academic treatises. Right. But that are totally alive with their own understanding of Christian life, of Christian spirituality. And so it's. It's not like you can separate the two. So the first thing I like to say is against this kind of private and secretive heresy of Gnosticism. Right. Irenaeus is going to really stress the. The public aspect of the apostolic preaching and how there's unity of. Of doctrine throughout the entire church and how, you know, this doctrine also has to be in agreement with Rome and with the see of Peter in Rome. And so there's this emphasis on the unity of the entire church that kind of colors, I would say, his own spirituality. I have a little quote for you, if I can read quotes. I love quotes from Erys. So he says he could give us a list of all the different lines of successors to the apostles in the different churches. So Irenaeus is one of these fathers who witnesses to what we call apostolic succession. Right. That the, the office of the apostles is passed on to Bishops, you know, through subsequent generations. And so he really just focuses on Rome. And he says, for every church must be in harmony with this church because of its outstanding preeminence, that is the faithful from everywhere, since the apostolic tradition is preserved in it by those from everywhere. Okay, so we know we gotta be in union with Rome. But he thinks also that the same faith is publicly preached and identical throughout the world. So he compares it to the light of the sun that shines everywhere. One in the same, he says, for the languages of the world are different, but the meaning of the Christian tradition is one in the same as God's creature. The Son is one in the same in the whole world. So also the preaching of the truth shines everywhere and illumines all men who wish to come to the knowledge of the truth. So he says that the Church preaches all of this as if she had but one heart and soul. Right. So it's this beautiful emphasis on, you know, unity of doctrine that holds everything together.

[Dr. Jessica Yule]

That reminds me of the part of Lumen gentium that talks about the Holy Spirit, Right. Enlivening the Church. And I don't know exactly what the quote is, but he talks about this spirit that is all the faithful in unity on faith and morals. And it's this extremely beautiful example of unity coming directly from the Holy Spirit. And we know that he animates prayer. So absolutely at the heart of who we are as faithful is this unity, this one body.

[Dr. Jean Paul]

Yeah. And that leads really to the second point, that this unity of doctrine, right. This unity of teaching, it's also a unity of worship. And so just as we can't really separate theological arguments from, you know, spirituality and writings of so many of these Church fathers like Irenaeus, at the same time, we can't separate doctrine and worship. So that would get to the next point maybe that we could get to is that by refuting the Gnostic teachings, Gnostic doctrines, he's also going to show how errors in our. In our theology, errors in our doctrine are going to lead to errors in our worship.

[Dr. Jessica Yule]

Absolutely. Yeah.

[Dr. Jean Paul]

So the Gnostics really kind of famously reject in many ways the goodness of material reality of the created world. And so they mostly hold that only, you know, your spirit is saved. Okay. And so your body is something wicked and it's something that gets left behind.

[Dr. Jessica Yule]

Right.

[Dr. Jean Paul]

And so this bears out in their teachings of Christ. So they tend to say that, you know, Christ never really became human. Right. He never really took flesh. Because for them, flesh is something bad. Yeah. Bad, wicked. So why would, you know, God get all messy with, you know, touching dirty flesh? Right. But that also means that they reject practices like the Eucharist or using water and oil. Right, for what we call baptism and confirmation. And so Irenaeus is going to show that there's this kind of inner logic in our spirituality and in our worship and in our doctrine that these all kind of connect. So I have another quote, if that's okay. Okay, good. So this is him writing about those who deny that Christ really took flesh. And he's going to show how this bears out in their teachings on the Eucharist. He writes, vain above all are they who despise the whole dispensation of God and deny the salvation of the flesh and reject its rebirth, saying it's not capable of incorruption. For if this mortal flesh is not saved, then neither did the Lord redeem us by his blood, nor the cup of the Eucharist, the communion of his blood and the bread which we break, the communion of his body. For blood is only to be found in veins and flesh and the rest of human nature, which the Word of God was made a partaker of. And so he redeemed us by his blood. Okay, let me unpack this. Right?

[Dr. Jessica Yule]

Yeah.

[Dr. Jean Paul]

So it's our destiny, right, in Christ that we have this hope of redemption of our bodies, not just that our spirits are saved, but our bodies also won't be subject to corruption for all eternity. And the testimony to this, right, is that Christ himself really took on flesh. Right. Really rose from the dead. And that integrally connected to this is that we use created elements, Right. Such as the Eucharist for Christ's flesh to become present again in the Eucharist. And so in all of these different ways, doctrine, worship, prayer, our own hope as Christians, it's all tied together for Irenaeus.

[Dr. Jessica Yule]

Absolutely. And if he hadn't fought so hard, Right. Against some of these Gnostic elements, we might not have inherited this legacy as strongly as we have it. We are a very incarnational church. Right. This idea that creation is good, the body is good, and we can use it to serve God. And maybe that leads us into how does this work in our own prayer life? What should we be thinking in terms of the whole person in prayer?

[Dr. Jean Paul]

No, that's great. I mean, a very clear kind of practical insight we can take away from what may seem a kind of complex web of theological issues with Gnostics is that again, as you say, we are embodied creatures, and so what we do with our body matters. Right? You know, the word of God took on a human body. Right. To demonstrate how we should be embodied creatures. And that not only ethically do our embodied actions truly matter as part of who we really are, but also in our worship. Right. That worship is not just something that happens purely in our spirit. Right. But that it involves the created elements of the world. Right. And it involves us. Right. That we're all, you know, taken up into God's work. Right. So the, you know, the elements of bread and wine, they're not annihilated, but that's this. This idea of transubstantiation. Right. They're changed and of course, into the substance of Christ. Right. And so our embodied reality is not something annihilated, but it's changed in the resurrection. And so, yeah. Even in our own prayer. Right. What we do with our body matters. This gets to, you know, sometimes our posture. Right. Just very practical things like that. Or maybe where we're praying or what might be distracting us, that we have to take all of these things into account.

[Dr. Jessica Yule]

Yeah. And really thinking about making each part of us into that conversation. I mean, when we're talking to our friend. Right. The body is important. We gesture, we look at them, we smile at them. It's all part of who we are. And when we pray to God, maybe we can think about St. Irenaeus legacy in terms of how can I integrate my whole self into prayer, not just my mind. It's not just some abstract concept far, far away. How can I give God my whole, whole self in prayer?

[Dr. Jean Paul]

That's right. I mean, we are to be saved, you know, not only in soul and spirit, but also in body. And maybe a final thing is this helps explain sometimes. Excuse me. It helps explain something that may confuse others about Catholics. Right. We're carrying around rosaries. Right. We have images in our church, but relics. Yeah. Right. And all of this follows from the. The affirmation of the goodness of creation and the Incarnation. And so that Christ really took on flesh, really became a human being. And so that there's a real image of God right now in Christ incarnate. And he can be imaged and represented in paintings. We need kind of physical contact, touchable things to pray with, like with rosaries, audible things. That's right, yeah. And sensory with incense. Right. And so all of these things are expressions, you know, I think, of our embodied way of worshiping God.

[Dr. Jessica Yule]

Do you have any closing thoughts that you want to share with us? The things that you want us to take with us from this saint, Our big brother in heaven today.

[Dr. Jean Paul]

Yeah, I think maybe two. Right. So you asked earlier, what is Irenaeus the patron saint of? I'm sure there's a good answer to that. Which would be a true answer that I'm not sure of. You know, I think being errantic.

[Dr. Jessica Yule]

Right.

[Dr. Jean Paul]

Being diplomatic. Right. That for all of his knowledge. Right. He was still trying to bring about unity in the church. And again, he teaches us ways in which the Catholic faith is really made for all kinds of different people. Right. So, you know, he's aware that as he says, there are some. He calls them barbarians. Right. The non Romans in the world who don't have access to reading the scriptures. And yet the proclamation of the gospel is for them too. Right. The Gnostics are very elitist. Right. There's only certain kinds of people who are going to be saved. But he believes there's one Christian message that is accommodated to the ability of any person to understand and to receive. So he's also a great example of those who have superior learning to not exploit this, but to use it to serve the entire church.

[Dr. Jessica Yule]

Yeah, love that. If you want to learn more about Saint Ynaeus, we do have another episode that really focuses on his life and legacy. So you can go and type that into the search bar in our Augusta Institute channel. And if you enjoyed this episode with its special focus on praying with the saints, please let us know by subscribing or by leaving a review. Thank you again for joining me, Dr. Juge. And we ask St. Irenaeus, pray for us.

[Podcast Host/Announcer]

Thank you for being a dedicated listener to the Catholic Saints podcast. Your support truly uplifts us. For those seeking additional thought provoking content, go to formed.org It's a platform brimming with resources, including insightful videos that align seamlessly with our podcast's themes. If you're finding value in our podcast, please consider taking a moment to leave us a review. Your feedback serves as a cornerstone for our growth and outreach.

[Dr. Jessica Yule]

Reach.