- Dec 13, 2015
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Hey CF family,
A while back, I made a thread asking if John MacArthur was guilty of heresy based on some things he had previously said about Mary and Christ’s nature. That thread ended up getting a TON of replies. In fact I was surprised on how viral the thread got and it was one of my biggest threads ever. It ended up being eventually closed by my request after it got pretty heated between people. Im hoping by reopening this topic several years later we can discuss this in a less heated way than we did last time.
Here’s the original thread for context:
www.christianforums.com
Well, I want to revisit what kicked it all off: MacArthur stating that Mary is not the mother of God, only the mother of Jesus’s human nature. And I want to talk about this again—not out of disrespect, but out of genuine theological concern.
Saying “Mary is not the mother of God” might sound like a way to avoid Catholic excesses, but it dangerously flirts with Nestorianism—the heresy that splits Jesus into two persons: one divine, one human.
The Council of Ephesus (431 AD) declared that Mary is Theotokos—God-bearer—not because she’s divine, but because Jesus is one person with two natures, fully God and fully man. Rejecting that title isn’t just unwise—it risks denying the unity of Christ’s person.
MacArthur is widely respected in Reformed circles (myself included), and most people just assume he’s untouchable. But even solid men can misspeak, or worse, double down on poor theology out of reaction to Rome.
I'm not here to stir division—I’m here because I care about Christology, not Marian doctrine. If Jesus is not one unified person, the gospel falls apart.
So I’m asking again—not to attack MacArthur, but to challenge us all:
Would love your thoughts, especially if you’re well-versed in Christological debates or church history.
You can find an audio clip of his statement here but forgive me I don't remember where in the audio clip he says it and my original post doesn't mention.:
www.gty.org
A while back, I made a thread asking if John MacArthur was guilty of heresy based on some things he had previously said about Mary and Christ’s nature. That thread ended up getting a TON of replies. In fact I was surprised on how viral the thread got and it was one of my biggest threads ever. It ended up being eventually closed by my request after it got pretty heated between people. Im hoping by reopening this topic several years later we can discuss this in a less heated way than we did last time.
Here’s the original thread for context:
Is John Mcarthur guilty of heresy?
I don't know if you're all familiar with John Mcarthur but he is a reformed theologian that is the leader of the mega church Grace Community church. This might be news to some of you and many of you probably know this already but John Mcarthur may be guilty of heresy by denying that Mary is the...

Well, I want to revisit what kicked it all off: MacArthur stating that Mary is not the mother of God, only the mother of Jesus’s human nature. And I want to talk about this again—not out of disrespect, but out of genuine theological concern.
Here’s the problem:
Saying “Mary is not the mother of God” might sound like a way to avoid Catholic excesses, but it dangerously flirts with Nestorianism—the heresy that splits Jesus into two persons: one divine, one human.
The Council of Ephesus (431 AD) declared that Mary is Theotokos—God-bearer—not because she’s divine, but because Jesus is one person with two natures, fully God and fully man. Rejecting that title isn’t just unwise—it risks denying the unity of Christ’s person.
And this is what deeply bothers me:
MacArthur is widely respected in Reformed circles (myself included), and most people just assume he’s untouchable. But even solid men can misspeak, or worse, double down on poor theology out of reaction to Rome.
I'm not here to stir division—I’m here because I care about Christology, not Marian doctrine. If Jesus is not one unified person, the gospel falls apart.
So I’m asking again—not to attack MacArthur, but to challenge us all:
- Can a rejection of Theotokos be biblically or historically justified?
- Is MacArthur’s view just poor wording… or is it genuinely dangerous?
- Why do so many Reformed Christians seem willing to overlook it?
Would love your thoughts, especially if you’re well-versed in Christological debates or church history.
You can find an audio clip of his statement here but forgive me I don't remember where in the audio clip he says it and my original post doesn't mention.:

Exposing the Idolatry of Mary Worship: An Overview
Tonight, as was made clear this morning, we are going to be looking at the subject of the idolatry of worshipping Mary. And I want to say a few things before I say a few things by way of introduc

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