Is Gospel-Driven Sanctification Really “Sonship” Theology?
Two weeks ago, sitting in my office with my feet propped on a bookcase and chatting with Susan, I happened to be looking up at my Jay Adams shelf. Since it had been too long since I’d read any of his material (at least two weeks), I put my feet down on the floor and began perusing what I haven’t lent to other people; and thinking, “Hmmm, wonder what this is: ‘Biblical Sonship.’”
I always read the preface. So you have the cover, cover page, copyright, contents, and preface. I was reading the first page of the preface, and in the third paragraph, when I read the following: “It claims that a person can change this sad state of affairs by continuing to preach the gospel to himself and by repenting and believing over and over again. It teaches that not only justification, but also sanctification, is by faith in the good news.”
Barely a hundred words into the book, and I was stunned. That is the exact same thesis as gospel sanctification, a movement I have been researching for three years. The movement (gospel sanctification, or “gospel-driven sanctification”) is huge and its propagators are the who’s who of the evangelical world that they are supposedly trying to save: DA Carson, Michael Horton, Paul David Tripp, David Powlison, Tim Keller, John Piper, Al Mohler, Mark Devers, Francis Chan, Jerry Bridges, and many, many others. The theology is also propagated by several missionary alliances and church planting organizations like the Antioch School in Ames, Iowa.
As Jay Adams notes in his book, the Sonship movement was started by Jack Miller, a former professor of practical theology at Westminster Seminary who is now deceased. According to other sources, Jack Miller’s epiphany concerning Sonship occurred while he was on an extended trip in Spain with his family. An article I read by Geoff Thomas in Banner of Truth was written in 2003, and he mentions the trip to Spain as being about twenty years prior; so figure 1980, or around that time, for the birth of Sonship theology.
In all of my studies concerning gospel sanctification, I had never heard of Jack Miller or Sonship theology, but it became clear from the Jay Adams book that the two theologies are the same thing with the usual peripheral aberrations from the basic form; and the basic form being, but not confined to, progressive justification, sanctification by faith alone, substitutionary monergistic sanctification, and the total depravity of the saints. There is absolutely no doubt – this theology turns orthodoxy completely upside down while the intestinal fortitude of the rest of the evangelical community wanes. Apparently, big names like Jerry Bridges and others are like GM, they’re just too big to fail. As one brother wrote to me: “How dare you criticize DA Carson, one the greatest theological minds of our day!” Furthermore, as Dr. Peter Masters has noted, it is interesting that doctrine doesn’t matter if you are “gospel-driven” in your beliefs. For example, Charismatic and emergent church leaders are readily excepted into the new Calvinism clan if they are “gospel-centered.”
But what came first? Sonship, or gospel sanctification? Did gospel-driven sanctification come from Sonship? Is Jack Miller the father of new Calvinism? It’s looking that way. Historical precedent for gospel sanctification (GS) cannot be found before (approx.)1980. It is the brainchild of Dr. David Powlison, professor at CCEF, the biblical counseling wing of Westminster Seminary. GS came out of his “Dynamics of Biblical Change” curriculum developed and taught by him at Westminster. Two of his former students articulated the doctrine in the book “How People Change.” This is made clear by Powlison in the forward he wrote for the same book. Shortly prior to the book’s release, the doctrine’s theories were tested in local churches via a pilot program. In the reformed church I attended that was part of the pilot program, the curriculum was taught in a Sunday school class with a limited number of participants.
“How People Change” articulates a theology that is virtually identical to Sonship theology. And, it just so happens that David Powlison himself claims that Jack Miller is his “mentor.” He recently stated this as fact while teaching a seminar at John Piper’s church, and in the midst of fustigating Jay Adams for criticizing Jack Miller for telling people to “preach the gospel to themselves everyday” *see endnote. I thought this phrase was originally coined by Jerry Bridges, but Jerry Bridges attributes the phrase to Jack Miller in the preface of “The Disciplines of Grace.” Tim Keller, a looming figure in the new Calvinism / gospel-driven / gospel sanctification movement, was teaching GS under the “Sonship” nomenclature as late as 2006. On the Puritan Board, a faint cry for help was uttered by a person saying the following: “ The Sonship theology of Tim Keller has taken a hold of the church I attend. Am I the only one, or does anyone else have a problem with this?”
Furthermore, my research would strongly suggest that the development of other contemporary theologies like New Covenant Theology, (many attribute its conception to Westminster Seminary sometime during the 80’s or 90’s), heart theology (definitely conceived at Westminster during the 90’s), redemptive-historical hermeneutics, and Christian hedonism (latter conceived by John Piper in the 80’s) were primarily driven by the need to validate Sonship / GS doctrine. Sonship needs the NCT perspective on the law, the supposed practical application of finding idols in the heart via heart theology, the perspective of how Sonship is experienced through Christian hedonism, and more than anything else, an interpretive redemptive prism supplied by the redemptive-historical hermeneutic.
But why has gospel sanctification enjoyed freedom from ridicule not afforded to Sonship? They are, for all practical purposes, the same exact thing and encompass many of the same teachers. Probably because gospel sanctification has the word “gospel” in it. In this age of hyper-grace, people will shy away from any appearance of being against “the gospel.” I have to believe that the movement has traded the Sonship label, with its share of bullet holes, for the “gospel-driven” label. Sonship has been besieged by two works, the book by Jay Adams and a lengthy article by Van Dixhoorn, a former student at Westminster. Sonship has also been pelted with its share of the “antinomian” accusation, and rightfully so. In my second addition of “Another Gospel,” I write the following on page 78:
“….if the same gospel that saved us also sanctifies us, and Christ said that we are sanctified by the word; and certainly He did say that as recorded in John 17:17, then every word in the Bible must be about justification, or what God has done and not anything we could possibly do, being a gospel affair. Furthermore, if we are sanctified by the gospel which is God’s work alone, we may have no more role in spiritual growth than we did in the gospel that saved us. The Scriptures are clear; no person is justified by works of the law. Is that not the gospel? Therefore, when the antinomians speak of obedience, it should be apparent that they are not speaking of our obedience, even though they allow us to assume otherwise.”
At least one book, a lengthy pamphlet, and several articles defend Sonship against Adams and Van Dixhoorn, but the theological arguments are woefully lame. Nevertheless, my point is that gospel sanctification, though the same thing, is enjoying widespread acceptance throughout the church without controversy while unifying camps that are theologically suspect to say the least.
It is what it is; while mad theological scientist concoct all sorts of new potions in the lab and send their minions out to commit first-degree doctrinal felonies in broad daylight, while many who profess to love the real gospel say nothing. I pray that will change, while thanking God for those who love the truth more than the acceptance and praises of men.
Endnote:
Powlison failed to mention that the criticism came in the form of a book that is an apology against Sonship theology. Failure to mention that put Adams in an anti-gospel light as well as depriving him of the ability to contextualize the criticism. As an aside, Powlison, in the same seminar, criticized “idol hunting”; but yet, he is the inventor of “X-ray questions”(which he also mentioned in positive terms without the “X-ray” terminology, but rather something like “reorienting questions”) which are designed to identify heart idols (see page 163 of “How People Change”). His mentor, Jack Miller, developed a complex system of idol hunting that included twenty different categories of heart idols (Jack Miller, “Repentance and the 20th Century Man”CLC 1998). This kind of disingenuous double-speak is commonplace within the movement.

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