What is Heresy? Final Answer

What is heresy? This has proven to be a remarkably difficult question to answer. Along the way, we’ve tested a number of possible solutions:

And, with each, we saw that there were good reasons for rejecting it as an adequate definition of heresy. So, we still don’t seem to have a particularly good answer to our question.

But, instead of trying to take each as an adequate definition in its own right, what if we took the strengths of each and used them all to build a definition of heresy? What might that look like?

1. Heresy requires an exercise of authority.

Both the Conciliar Answer and the Just Shut Up! approach recognize that some kind of authority is inherent in the idea of heresy. After all, someone needs to make the final decision as to what does and doesn’t qualify as heresy. I’ve already explained why I don’t think authority alone suffices to define heresy, but that doesn’t mean authority isn’t part of the equation.

Now, as a good evangelical Protestant, the question always arises: Whose authority? Alister McGrath suggests that heresy requires the authority of ecumenical gathering (Heresy: A History of Defending Truth). In other words, unless Christians everywhere can agree that something is heretical, we shouldn’t use the term. And consequently, he pretty much limits heresy to the first few centuries of the church. But, he fails to mention that even these earliest councils weren’t as “ecumenical” as we think (a few hundred bishops from mostly Greek-speaking churches hardly qualifies as fully representative of the whole church, regardless of how good their conclusions might have been). And, as I’ve argued before, such an approach necessarily robs us of the ability to deal with any possible heresies that arose after this time.

But, if I can’t appeal to ecumenical gatherings or to an official magisterium, where can I turn? I’m comfortable saying that the authority in view here is the authority of whatever ecclesial body you are a part. I realize that this makes “heresy” a bit messy in that something might qualify as heresy for one group of Christians and not another. But, complex issues like heresy and orthodoxy are rarely simple.

What this primarily means is that my view would reject the idea that heresy can be a purely individualistic affair. I can’t determine by myself what “heresy” is, though I can certainly offer opinions as to what some group should declare to be heresy.

2. Heresy necessarily involves power and exclusion.

If heresy involves the authority to identify something as “off limits,” then it necessarily involves both power and exclusion. I don’t mean the power to physically coerce someone into believing what you think is correct, though power has often been used that way in the history of heresy. I’m simply talking about the fact that any authoritative declaration that something qualifies as heretical is inherently an exercise of power. And, when that power gets exercised, it necessarily identifies some group as an “other” who lies beyond the pale of orthodoxy.

And, there’s nothing necessarily wrong with either of these. In and of themselves, neither power nor exclusion are bad. Church leaders sometimes need to use both for the benefit of the body (e.g. excluding a dangerous person from a children’s ministry).

But, I think it’s important to be clear that when we use the label “heresy” we are wielding the power to exclude. My fear is that if we don’t make this explicit, we’ll wield the power without being aware that we’re doing so. And, that is exceptionally dangerous. It’s like giving someone a box and not bothering to mention that there’s dynamite inside. We can’t wield carefully what we don’t know that we’re wielding.

So, we must always be mindful that calling something “heresy” is necessarily an exercise of power that should be done with care, prayer, and great hesitation.

3. Heresy undermines the Gospel.

As I mentioned in Sugar in My Coffee, the idea that heresy at its core is something that undermines the essence of Christianity is the approach I resonate with the most. And this for two reasons. (1) Heresy is about essential, rather than peripheral, matters. Granted, it’s not always easy to tell the difference. But, it’s still important to emphasize this throughout. And, (2) heresy comes from within. We make a mistake when we see heresy as something that attacks Christianity from without. Instead, we must realize that heresy is always something that arises from within the body and must be dealt with as such.

But, although I like this approach, I think it needs to be strengthened in several important ways. First, it needs to make the appeal to authority/power more explicit as I’ve done above. Rather than simply presume that heresy is self-evident, we need to recognize that sifting heresy from orthodoxy is a difficult process that will often require a final decision to be made by those entrusted with the authority to do so. Second, we need to realize that the “essence” of Christianity is more than a set of beliefs. (It’s not less than that, but it is more.) So, I wonder if it would be worth exploring whether “heresy” is a concept that could be applied to lifestyles as well as theologies. If a group’s lifestyle runs contrary to the essence of Christianity, wouldn’t it be worth calling it heresy even if that group maintained the outward form of right belief? In other words, can we have a heretical counterpart to orthopraxy as well as orthodoxy? And, finally, I think the idea of Christianity’s “essence” is far too vague. I’d rather say that heresy is something that undermines the Gospel itself. I realize that gets us into a discussion of what the Gospel is. But, I’d rather have a productive discussion about the nature of the Gospel than spin our wheels chasing some abstract “essence.”

So, What Is Heresy?

This is far from final, but here is what I would propose at this point as a definition of heresy:

Heresy is any form of Christianity (in practice or belief) that undermines the Gospel (explicitly or implicitly) and is determined to be such by the recognized authority in a given ecclesial body.

What do you think?




16 Responses to “What is Heresy? Final Answer”

  1. pgroach November 3, 2011 at 12:48 pm #

    So does your definition of heresy preclude independent congregations? A congregation that is not explicitly and functionally accountable to others than themselves, can’t meaningfully (i.e. ecclesially) be censured or censure when it comes to doctrine or practice.

    • Marc Cortez November 3, 2011 at 12:53 pm #

      Actually, no it wouldn’t. In that situation, the relevant ecclesial body is the independent congregation. So, the leadership of that congregation would have responsibility for acting in this situation. Whether that’s the best ecclesial arrangement is a separate question.

      • pgroach November 4, 2011 at 11:48 am #

        How can it be a separate question? We would determine whether independency is “best” (not a theological category according to Hauerwas, btw:-) by asking of it certain questions like “Does it provide for an accountability structure beyond its own four walls? How? Why?” Etc.

      • Marc Cortez November 5, 2011 at 11:34 am #

        I meant “separate” in the sense of not directly connected to the question of how we define heresy, not “separate” in the sense of unrelated. Your question aims more at how a given ecclesiology responds to heresy and whether the way it responds reveals any inadequacies in that ecclesiology. That’s certainly an interesting question, and it’s one that I think independent churches need to take a close look at, but it is a different question.

      • pgroach November 5, 2011 at 12:59 pm #

        Got it. Thanks.

      • irishanglican ~ Fr. Robert November 5, 2011 at 1:26 pm #

        There are so many side-trails in the doctrine & doctrines of God, but an “independent” church, does seem like a theological oxymoron to the One Body of Christ. The Redeemed of God are simply but profoundly intertwined!

    • irishanglican ~ Fr. Robert November 5, 2011 at 10:03 am #

      Indeed Pat, stuff and poor questions (logic/Hauerwas) like this is what presses me back toward and always into the Church Catholic (The best of historical Anglicanism!) And without the Ecumenical Councils and history, just what do we have that is still Apostolic? Btw, even Calvin shows some weakness here, in rejecting the Athanasian Creed!

  2. irishanglican ~ Fr. Robert November 3, 2011 at 3:26 pm #

    Certainly heresy can only be measured by the Historic Church & Holy Scripture, and of course this is in “spirit & truth” also. And as the “Gospel” or Good News, this can be measured in the fullest sense, to mean many things in the Church and Scripture also. As we can note the moral and sexual ethics have changed so much in the church & culture, from so-called modernism to postmodernism, etc. We are drawn always back to Holy Church & Holy Scripture! But then, I am a historical Anglican, and the Church is always “catholic” and “reformed”. The true Church is always Visible, but also always a “mixed” body of both wheat & tares… the elect & the non-elect, in the midst of the fallen, sinful and evil age/world, (Gal. 1:4). But only in Holy Church do we find “the light of the world, a city set upon a hill”. (Matt. 5:14, etc.) So indeed the Gospel is only found in proper function in the Holy Church of Christ itself! And the true “essence” of the Church is always as we Anglicans say: One, Holy, Catholic & Apostolic Church!

    Finally, as Jude notes that the loss of the gospel comes thru certain people, who are ungodly people, who pervert or twist and distort the grace of God, and “deny our only Master and Lord, Jesus Christ.” (See, Jude 4) And again, this comes thru perversion and also moral loss and sensuality. Today, in postmodernity these sexual and simply licentious realities are right in the middle of the Church, so heresy and heterodoxy are before our eyes! And we simply cannot escape it! Sadly many churches however are either asleep here, or in outright compromise!

  3. Nancy November 3, 2011 at 3:42 pm #

    Excellent series!

    • Marc Cortez November 3, 2011 at 4:29 pm #

      Thank you!

  4. Valerie January 6, 2013 at 7:36 am #

    I really enjoyed your blog. Thanks!

  5. Craig Benno May 9, 2013 at 6:20 pm #

    Hi Mark.

    You have written some brilliant pieces since I have followed your blogging, this has to be one of the best you have done. I really enjoyed this one.

    I particularly like what you said about practice as well as belief. I think within this framework, “Mean Spiritedness’ no matter ones correct doctrinal beliefs has to be included.


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