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The Backward Gospel — Part 2 of 9

Sin and Salvation: The Diagnosis Beneath the Drift

What the Church has always taught about the human condition — and how one word quietly redefined the conversation

By Doug Hamilton · April 2026 · 7 min read
Series: 123456789

Chapter Three: What’s Really Wrong With Us

Historic Christianity has never been optimistic about human nature on its own. That’s not a cultural prejudice or a failure of imagination. It’s a theological conviction drawn from Scripture and confirmed by every honest reading of human history. People don’t drift toward God on their own. Left to themselves, they drift away.

Augustine of Hippo — writing in the early fifth century and still probably the most influential theologian in the entire Western Church — taught that the Fall of Adam wasn’t just a bad example we could choose not to follow. It was a catastrophic corruption of human nature that every person since has inherited. That’s not cheerful theology. But it’s honest theology. And more importantly, it opens the only door to genuinely good news: if the problem is that deep, the answer can’t be self-improvement. It has to be redemption.

Augustine captured both the diagnosis and the cure in one of the most quoted lines in all of Christian writing: “You have made us for Yourself, and our hearts are restless until they rest in You.” The disease is a will pointed away from God. The cure isn’t better education, or social reform, or removing whatever structural injustice happens to be blamed in a given era. The cure is being turned back toward the living God through Jesus Christ.

Irenaeus of Lyon made the same point from a different direction. In the second century, a movement called Gnosticism was spreading the idea that the root problem of human existence was ignorance — that people didn’t know enough, and that the solution was enlightenment. Irenaeus pushed back hard. Salvation isn’t rescue from ignorance. It’s rescue from sin. The problem isn’t that human beings lack information. It’s that human beings are morally broken and spiritually cut off from their Creator. You can solve the information problem completely and still leave the actual problem entirely untouched.

The Protestant Reformers later gave this conviction a name that sounds harsher than it is: “total depravity.” It doesn’t mean every person is as evil as they could possibly be. It means that every dimension of human nature — our thinking, our choosing, our feeling, our conscience — has been affected by the Fall. None of those faculties is a reliable compass pointing us toward God. We need outside help. Specifically, we need the Holy Spirit working through Scripture to show us what we can’t see on our own.

Here’s why this matters practically. When a church gradually stops taking the biblical teaching on sin seriously, it doesn’t just change one doctrine in isolation. It changes what the problem is — and that changes what the solution is — and that changes everything about what the church is actually doing. The diagnosis shifts from “I am a sinner alienated from a holy God” to “I am a person wounded by unjust social structures.” The prescription shifts from “I need a Savior” to “I need an ally.” And the church shifts from proclaiming the Gospel to running a social justice operation. The broken person sitting in that pew — the one who most needs the transforming power of genuine grace — ends up with a diagnosis that doesn’t actually name their condition and a prescription that can’t reach the root of it.

Romans 3:23 — For all have sinned and fall short of the glory of God.
Jeremiah 17:9 — The heart is deceitful above all things, and desperately sick; who can understand it?

Chapter Four: Salvation — Grace Alone, Faith Alone, Christ Alone

The early Church was clear on what salvation is: a gift from God, received through faith in Jesus Christ, made possible by his death and resurrection. It is not something you earn by effort. It is not something you secure through religious sincerity. It is given — entirely, freely, by grace.

Clement of Rome, one of the first Christian writers after the apostolic generation itself, taught that through faith in Jesus Christ “the elect of God are saved.” Polycarp of Smyrna — a man who had personally sat at the feet of the Apostle John — wrote with unmistakable clarity that salvation depends on the grace of Christ, not on any human moral achievement. These weren’t distant scholars speculating about apostolic teaching. They were one generation away from the source.

Irenaeus, facing off against the Gnostic claim that salvation came through secret spiritual knowledge available only to the enlightened, was equally blunt: “Conversion was dependent upon Christ’s grace, and apart from that grace, man has no power to procure salvation.” This isn’t a Protestant invention or a Reformation novelty. It’s the apostolic faith, received and passed on by people who knew people who had walked with Jesus.

The Protestant Reformation didn’t create the doctrine of grace. It recovered it — articulating it with fresh precision in response to distortions that had built up over centuries. But the conviction runs unbroken from Paul through Augustine through the Reformers to the present: human beings, in and of themselves, have no standing before God. What rescues us is Christ’s own perfect righteousness credited to our account — his record, not ours, becoming the basis on which we stand before God. That’s received through faith, not achieved through effort.

Ephesians 2:8–9 — For it is by grace you have been saved, through faith — and this is not from yourselves, it is the gift of God — not by works, so that no one can boast.
Acts 4:12 — Salvation is found in no one else, for there is no other name under heaven given to mankind by which we must be saved.

These aren’t proof texts selected to win an argument. They represent the unanimous conviction of the apostolic community, the Church Fathers, the great councils of the early Church, and every major Christian tradition in history — Roman Catholic, Eastern Orthodox, and Protestant alike. The exclusivity of salvation in Christ is not a tribal preference of one denomination. It is the universal teaching of the Church for two thousand years.

Paul’s language in 1 Corinthians 15 deserves particular attention here, because it directly addresses a foundational assumption of progressive theology — the idea that each generation is free to reformulate the Gospel for its own cultural moment. Paul uses two very deliberate words drawn from the tradition of careful, authoritative passing-on of teaching: “I received” and “I passed on.” The Gospel, in Paul’s understanding, is not invented fresh by each generation. It is received from those who came before and handed on intact to those who come after:

1 Corinthians 15:1–4 — Now, brothers and sisters, I want to remind you of the gospel I preached to you, which you received and on which you have taken your stand. By this gospel you are saved, if you hold firmly to the word I preached to you… For what I received I passed on to you as of first importance: that Christ died for our sins according to the Scriptures, that he was buried, that he was raised on the third day according to the Scriptures.

The Apostle John adds a further dimension that strikes directly at the heart of progressive theology. John was writing to communities facing exactly what progressive Christianity now promotes — teachers who claimed to honor Jesus while quietly softening or redefining who he was and what his death actually accomplished. John’s response leaves no room for ambiguity:

1 John 4:1–3 — Dear friends, do not believe every spirit, but test the spirits to see whether they are from God, because many false prophets have gone out into the world. This is how you can recognize the Spirit of God: Every spirit that acknowledges that Jesus Christ has come in the flesh is from God, but every spirit that does not acknowledge Jesus is not from God.
1 John 2:22–23 — Who is the liar? It is whoever denies that Jesus is the Christ. Such a person is the antichrist — denying the Father and the Son. No one who denies the Son has the Father; whoever acknowledges the Son has the Father also.
1 John 5:11–12 — And this is the testimony: God has given us eternal life, and this life is in his Son. Whoever has the Son has life; whoever does not have the Son of God does not have life.

John is not being harsh here. He is being pastoral — protecting his communities from what he recognizes as a spiritually fatal error: claiming Christian faith while denying the specific, irreducible claims of the Gospel about who Jesus is and what he accomplished on the cross. That is precisely the error progressive Christianity makes. And the apostle who is most known for his emphasis on love is the one who draws the sharpest line against it. That’s worth sitting with.

PART TWO

The Departure — How Progressive Christianity Moved Backward

← Part 1: The Problem with Progress Part 3: The Intellectual Genealogy and the Five Retreats →

About the Author

Doug Hamilton

Pastor, Board Certified Christian Counselor, and founder of Derech Technologies LLC. Doug operates within the just war tradition and applies the Derech Truth Labs framework to theological and cultural analysis — combining pastoral judgment with evidence-based methodology.

Christian Pastor Board Certified Christian Counselor Just War Tradition AI Developer