Wednesday, June 28, 2023

St. Irenaeus of Lyon: Powerful Apologist to Defend the Church, Her Unity, and Her Doctrines against Gnosticism

With clarity and resolve, can you engage in a public debate with heretics to defend the Christ’s teaching and the Church doctrines and to invalidate their false teachings without becoming fussy and argumentative? It means making an argument without committing non sequitur and ad hominem, of course. If you can, you make a good pastor and even presbyter in the Church with the tradition of St. John the Apostle, St. Polycarp, and St. Irenaeus.

On June 28, the Church honors and memorialize the life of St. Irenaeus of Lyon, who has been known as a champion of the Church in fighting against heresies, especially Gnosticism, which claims to possess “higher knowledge”( ανώτερη γνώση – anoteri gnosi).

Some may say, “What’s the problem with “higher knowledge?”, “Didn’t Jesus come to teach “higher knowledge” of the Father?”

Then, how would you respond?

First, Gnosticism is rather a blanket term that encompasses a range of heretic thoughts on seeking and attaining “higher knowledge” to be “saved”. But knowledge per se cannot save us. What Gnostics call “higher knowledge” of is not in line with the true higher wisdom and knowledge of the Father through Christ’s teaching (John 7:16; 8:28), because it is dualistic. There is no space for dualism in Christ’s teaching and Christology. And none of the Apostles and the Church Fathers, such as St. Polycarp, St. Justine and St. Irenaeus, have ever taught such a divisive thought.

Yes, the incarnated Christ, Jesus, has dual nature: divine and human. But duality is not to be confused with dualism. Otherwise, we cannot correctly understand Christology, which leads to Christ’s hypostatic union with the Father and the Holy Spirit in Trinity.

 within the Church. It was already a threat to the unity of the nascent Church in the Apostolic age. So, St. John wrote his Gospel and his three epistles to make sure the faithful believers would not be fooled by this heresy.

St. Polycarp was a student of St. John and inherited John’s anti-heresy work, defending the authenticity of Christ’s teaching, as passed through the Apostles, with his eloquent preaching. And ever since his childhood, St. Irenaeus has been impressed by St. Polycarp, and learned from this great Church Father to become another excellent preacher and staunch defender of the Church against heresies, in particular, Valentianism, a very influential Gnosticism of that time.

St. Iraneaus became the second bishop of Lyon, succeeding St. Pothinus, when the new church in Lyon was facing fierce attacks by pagans and Gnostics migrated from Asia Minor. This reality put the new church in Lyon at risk of collapsing because of divisions. Taking over St. Ponthinus’ efforts, as the second bishop of Lyon, St. Irenaeus was successful in bringing “sheep” scattered by pagans’ persecution and Gnosticism back to the church until his martyrdom.

The Scripture Readings and Responsorial Psalm of the Memorial Feast of St. Irenaeus (2 Timothy 2:22b-26; Psalm 37:3-4,5-6,30-31; John 17:20-26) reflect the life of St. Irenaeus as pastor of the church in Lyon, especially bringing those whose faith were distracted by Gnosticism back to the church through his kind and gentle teaching. Such his teaching is echoed in the Responsorial Psalm (37:3-4,5-6,30-31), especially in these verses:

The mouth of the righteous utters wisdom; his tongue speaks what is right. God’s teaching is in his heart; his steps do not falter (vv. 30-31).

In fact, the wisdom out of St. Irenaeus’ mouth when he preached and out of his writings, “Against Heresies” and “The Demonstration of the Apostolic Preaching”, helped many convert themselves from heresies of Gnosticism to the authentic Christianity. His fight against heretical Gnosticism to defend the Church and her doctrine, which is faithfully built upon Christ’s teaching, as passed by the Apostles, was also to maintain the unity of the Church. The unity, indeed, is Christ’s desire, as he expressed in his prayer before he entered the Passion, as described in the Gospel Reading (John 17:20-26). In this, we see Jesus willed to send his disciples out to unite those who do not yet know him to them through their apostolic mission of teaching.

St. Irenaeus was on this line of the apostolic teaching from St. John through St. Polycarp. And he made a great contribution for the unity of the church in Lyon and beyond, fighting against heretical and divisive Gnosticism.

In honoring St. Irenaeus’ contribution to unity, for the occasion of Christian unity week, on January 21, 2022, Pope Francis declared St. Irenaeus as the doctor of unity (doctor unitatis):

Saint Irenaeus of Lyon, who came from the East, exercised his episcopal ministry in the West: he was a spiritual and theological bridge between Eastern and Western Christians. His name, Irenaeus, expresses that peace which comes from the Lord and which reconciles, restoring unity. For these reasons, having obtained the opinion of the Congregation for the Causes of Saints, with my Apostolic Authority I declare him a Doctor of the Church with the title of Doctor unitatis.

May the teaching of this great Master increasingly encourage the journey of all the Lord's disciples towards full communion.

Pope sees St. Irenaeus as a bridge between the Western Church and the Eastern Church, as the division between these Churches is not yet fully closed.

St. Irenaeus wrote:

As I have already observed, the Church, having received this preaching and this faith, although scattered throughout the whole world, yet, as if occupying but one house, carefully preserves it. She also believes these points [of doctrine] just as if she had but one soul, and one and the same heart, and she proclaims them, and teaches them, and hands them down, with perfect harmony, as if she possessed only one mouth. For, although the languages of the world are dissimilar, yet the import of the tradition is one and the same. For the Churches which have been planted in Germany do not believe or hand down anything different, nor do those in Spain, nor those in Gaul, nor those in the East, nor those in Egypt, nor those in Libya, nor those which have been established in the central regions of the world. But as the sun, that creature of God, is one and the same throughout the whole world, so also the preaching of the truth shines everywhere, and enlightens all men that are willing to come to a knowledge of the truth. Nor will any one of the rulers in the Churches, however highly gifted he may be in point of eloquence, teach doctrines different from these (for no one is greater than the Master); nor, on the other hand, will he who is deficient in power of expression inflict injury on the tradition. For the faith being ever one and the same, neither does one who is able at great length to discourse regarding it, make any addition to it, nor does one, who can say but little diminish it (Against Heresy, I,10, 2).

And these words of St. Irenaeus reflect these words of St. Paul:

Now in regard to spiritual gifts, brothers, I do not want you to be unaware. You know how, when you were pagans, you were constantly attracted and led away to mute idols. Therefore, I tell you that nobody speaking by the spirit of God says, “Jesus be accursed.” And no one can say, “Jesus is Lord,” except by the holy Spirit.

There are different kinds of spiritual gifts but the same Spirit; there are different forms of service but the same Lord; there are different workings but the same God who produces all of them in everyone.

To each individual the manifestation of the Spirit is given for some benefit. To one is given through the Spirit the expression of wisdom; to another the expression of knowledge according to the same Spirit; to another faith by the same Spirit; to another gifts of healing by the one Spirit; to another mighty deeds; to another prophecy; to another discernment of spirits; to another varieties of tongues; to another interpretation of tongues.

But one and the same Spirit produces all of these, distributing them individually to each person as he wishes. One Body, Many Parts.

As a body is one though it has many parts, and all the parts of the body, though many, are one body, so also Christ. For in one Spirit we were all baptized into one body, whether Jews or Greeks, slaves or free persons, and we were all given to drink of one Spirit.

Now the body is not a single part, but many.

If a foot should say, “Because I am not a hand I do not belong to the body,” it does not for this reason belong any less to the body. Or if an ear should say, “Because I am not an eye I do not belong to the body,” it does not for this reason belong any less to the body. If the whole body were an eye, where would the hearing be? If the whole body were hearing, where would the sense of smell be?

But as it is, God placed the parts, each one of them, in the body as he intended. If they were all one part, where would the body be? But as it is, there are many parts, yet one body. The eye cannot say to the hand, “I do not need you,” nor again the head to the feet, “I do not need you.”

Indeed, the parts of the body that seem to be weaker are all the more necessary, and those parts of the body that we consider less honorable we surround with greater honor, and our less presentable parts are treated with greater propriety, whereas our more presentable parts do not need this. But God has so constructed the body as to give greater honor to a part that is without it, so that there may be no division in the body, but that the parts may have the same concern for one another.

If one part suffers, all the parts suffer with it; if one part is honored, all the parts share its joy.

Now you are Christ’s body, and individually parts of it  (1 Corinthians 12:1-27).

Unity, not division, is what characterizes the one holy catholic (universal) and apostolic Church. This reflect that there is no space for heretical dualistic teaching, such as Gnosticism. And we are called by Christ, empowered by the Holy Spirit, inspired by the Apostles and the Church Fathers to defend the unity of the Church and her doctrines against all sorts of heresies, as we speak and write the truth with wisdom, as exemplified by St. Irenaeus.

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