The modern church has a lot of energy. Conferences, worship productions, podcasts, online campuses. It is visibly active in ways previous generations could not have imagined. And yet in many corners of it, something has gone quietly wrong — not through dramatic apostasy but through two doctrinal errors that, left uncorrected, hollow out the gospel from within.
These are not fringe heresies. They are mainstream. And that is precisely what makes them worth examining carefully.
Error One: Faith That Cannot Be Lost
The doctrine commonly called “once saved, always saved” holds that once genuine faith has been placed in Christ, salvation is permanently secured — nothing can remove it, including the believer’s own choices. There is a version of this doctrine that is deeply true and worth defending: salvation is not earned by works, and God’s grip on those who belong to Him is not contingent on their performance. Assurance of salvation is a gift, not an achievement.
But the popular version has drifted beyond that truth into something Paul explicitly warns against. In 1 Timothy 1:19–20, he names men who “made shipwreck of their faith” — not men who were never believers, but men who had genuine faith and abandoned it. In Hebrews 6, the writer describes people who “have once been enlightened, who have tasted the heavenly gift” and then fallen away. Paul tells the Corinthians to “examine yourselves, to see whether you are in the faith” (2 Corinthians 13:5) — a pointless exercise if the answer is always and automatically yes.
The problem is not with assurance — Scripture genuinely offers that. The problem is with presumption: the belief that faith requires no tending, no active continuation, no genuine relationship with the One who saved you. Faith is the hand that receives grace. Hands can open. Paul’s consistent pastoral concern was that believers guard and continue in their faith — not because they earn their salvation by doing so, but because a faith that has genuinely taken root in a person will produce a life that continues in it.
The pastoral danger of the distorted version is that it produces spiritual complacency. If nothing can affect your standing before God regardless of how you live or what you believe, then urgency, repentance, and continued pursuit of God become optional. That is not the Christianity of the New Testament.
Error Two: Grace Without the Law’s Mirror
The second error is a reaction to legalism that overcorrects into something equally problematic. The argument goes: we are under grace, not law — therefore the Old Testament law has no relevance for the Christian life. We are free.
Paul addressed this directly in Romans 6: “Are we to continue in sin that grace may abound? By no means!” Grace is not a license. It is a liberation — liberation from sin, not liberation to sin without consequence.
Paul also addressed the purpose of the law carefully. In 1 Timothy 1:8–10 he writes that “the law is good, if one uses it lawfully” — and its proper use is for the lawless, the disobedient, the ungodly. The law functions as a mirror: it shows us what sin looks like, which is why it is indispensable for genuine repentance. You cannot repent of what you do not recognize as sin. You cannot run to Christ as Savior if you have no sense of what you need saving from.
A gospel that removes the law’s mirror produces a gospel without repentance. It tells people they are fine as they are, that God loves them too much to require change, that the cross was about affirmation rather than atonement. That is not the gospel of the New Testament either.
For the believer who has received grace, the law no longer functions as executioner — Christ has fulfilled its demands. But it still reflects the holiness of God. It still shows what love for God and neighbor looks like in practice. It is not abolished; it is fulfilled, and that fulfillment becomes the pattern the Spirit writes on transformed hearts.
Why These Two Errors Often Appear Together
What makes these two errors particularly dangerous is that they reinforce each other. If salvation cannot be affected by anything, and if grace removes any standard of holiness, then Christianity becomes a category rather than a life — something you are rather than something you practice. It produces exactly what James warned against: a faith that says the right things but produces no fruit, and considers itself secure regardless.
The corrective is not to swing toward earning salvation through works or toward the anxiety of never knowing where you stand. The corrective is the full picture Scripture gives: genuine salvation produces genuine transformation, genuine faith continues and deepens, grace is real and unearned but it changes the person who receives it, and God’s law remains the mirror that keeps us honest about the distance between what we are and what He is calling us to become.
These are not comfortable corrections. But they are the ones the text makes. And a church willing to make them — gently, carefully, and with the full weight of grace intact — is far healthier than one that avoids them in the name of being welcoming.