The Church has never been of one mind about everything. We differ, and some of our differences are worth having. But somewhere we began letting those differences do more than they were meant to do, not shape how we worship, but decide whether we may worship together at all. What we hold in common is vast: one Lord, one gospel, one hope. What separates us, set beside it, is small. And yet we so often let the small decide.
It is a familiar story. A believer moves to a new town and sets out to find a church home. He loves Christ, reads the Scriptures, has walked with God's people for years. He comes ready to belong, glad to sit under teaching he doesn't fully share, asking only to be among a people who confess the same Lord. At the door he's handed a statement of faith and asked to sign: a page asking him to say exactly how election works, or whether the miraculous gifts have ceased or continue, or how and when the Lord will return — questions faithful Christians have divided over for centuries. He can agree with nine points in ten. The tenth is enough to keep him out.
Or consider the member already inside. He has given his church years of his life. He didn't go looking to change his mind, but through honest study he became persuaded of a conviction his church doesn't allow — not about the gospel, but about sanctification, or perseverance, or the nature of hell. He didn't go looking for it; the text took him there. Now he faces three bad choices. He can bury what he's come to believe and keep quiet, at the cost of his honesty. He can profess what he no longer holds, at the cost of his conscience. Or he can uproot himself from the people who discipled him and go looking for a church where his conviction isn't a wall. None of the three is what a brother should be handed for honestly following the Scriptures as he understands them.
This isn't rare. A Christian any of us would gladly call brother finds the door closed, or finds himself pressed toward it, not over the gospel, but over something the church itself would admit isn't the gospel. We've all seen it. Some of us have lived it.
How did we come to this? Not, I think, through any hardness of heart. It reached us by inheritance. A lot of the confessions we hold were built to do several things at once: to teach the young in the faith, to mark off the errors of their day, to test the men who would stand up and preach, and, somewhere along the way, to decide who could belong. Those are four different jobs. When they're folded into one document, the seams between them disappear, and with the seams goes the distinction we most need: the difference between what a church teaches and what it requires for fellowship.
Those aren't the same act. To teach a doctrine is to say, "this is true, and we'll work to persuade you of it." To require it for fellowship is to say something far weightier: "unless you affirm this, you can't belong among us." A great many things a church rightly believes to be true don't rise to that second claim. But when one document does both jobs at once, the difference collapses, and every doctrine the church teaches quietly becomes a doctrine it demands. The statement meant to guard the pulpit comes, without anyone intending it, to guard the door.
That leaves a question we rarely stop to ask, though nearly everything turns on it:
Should every doctrine a church teaches also be a condition of receiving one another in Christ?
If the answer were yes, fellowship would narrow to the width of our fullest agreement, and the body of Christ would break into as many pieces as it has opinions. Few of us, if pressed, would really answer yes. In practice we already sense that some truths are to be taught and pressed, and others are the ground on which we receive one another, that the two aren't simply one list. The question isn't whether that line exists, but where it should be drawn.
Paul had already given the principle. He wrote to a church quarreling over food and holy days; real disagreements, the kind each side felt it had Scripture and conscience behind it. Yet he did not settle the questions. He told them instead to welcome the one whose convictions differed, without quarreling over his opinions, and then asked the question which put the matter to rest: "who are you to judge another's servant? It is before his own master that he stands or falls." Paul wasn't saying nothing may ever be required. He wrote whole letters insisting the gospel itself should be guarded. He was marking off a class of matters on which brothers who serve the same Lord may differ and still receive one another, because one answers to Christ for those convictions, not to another. And in those matters, the command is not "persuade him first" but "welcome him": "accept one another, then, just as Christ accepted you." The measure of reception was never our agreement with a brother. It was Christ's acceptance of him.
To receive a brother this way takes nothing from the doctrines themselves. Of course a church will believe and teach far more than any short confession contains; it should. It can rightly ask more of its elders than of its members, and more of its members than of a stranger at the door — the man who will shape a congregation's teaching for a generation isn't received on the same terms as the believer who asks only to be received as a brother among brothers. A church can hold its fuller convictions with all its strength and require them of the people it entrusts with teaching. It just needs to know which job it's doing — and not let the standard built for the pulpit quietly become the standard for the pew.
But if not everything a church teaches belongs at the threshold of fellowship, a harder question follows: how do we tell the one from the other? Where does the floor lie — below which a person can't be received, and above which we can differ and still call one another brother and sister?
That's the real question, and it isn't a new one. The Church met it at the beginning and gave an answer.
Scripture gives us the whole faith, but it doesn't gather every requirement for fellowship into a single confessional list. It gives us the gospel entire: the great acts of God in Christ, the apostles' teaching, a pattern to follow. And it leaves the Church to confess it. And before the churches had fixed creeds, they did confess it, in a shared summary of the apostolic faith drawn from the Scriptures and spoken at baptism: the rule of faith. In it the Church wasn't laying down new terms of its own but confessing what it had received, saying "this we must hold," and there staying its hand. It was the undivided Church's earliest attempt to answer, faithfully and from Scripture, this very question: what must be confessed to be received among the people of God. It's the earliest witness we have to how the churches understood the boundary Scripture itself had drawn.
And it was strikingly slim. The early confessions were restrained on purpose. They didn't try to say everything a Christian ought to believe; they named what the Church could not cease to confess and still be the Church — who God is, who Christ is, the gospel of His death and rising, the Spirit poured out, the hope to come, and there they stopped. Everything else, however true, however worth teaching and defending, they left free.
That restraint is our inheritance, and it's worth recovering. Not a lower view of doctrine but a clearer one: a floor for fellowship wide enough for the whole body to stand on, and firm enough to bear the weight, because it asks only what the Church has always asked.
What belongs in that floor is worth setting down with care, and the work has begun. One recent attempt to state it for our own century is the Confession of Allegiance, a fresh presentation of that ancient rule, placed in the public domain for any to use, weigh, or improve. A clause-by-clause commentary accompanies it, setting out the reasoning behind each article, including why Scripture, baptism, and allegiance are named alongside the rule's own confession. But the document matters far less than the conviction beneath it.
The floor isn't fixed where it is because we want to keep people out, or widened because we want to let them in. It's fixed there because the Church confesses under the authority of Christ, and holds no authority of its own by which to bind a brother's conscience where Christ has not bound it. We can teach all we're persuaded is true, and teach it with our whole strength. But to make our conviction the price of a brother's belonging is to ask of him what Christ has not asked, and to claim an authority the Church was never given. The wider fellowship that follows isn't the aim but the fruit. The aim is faithfulness: to require what Christ required, to hold fast all He gave us to hold, and to leave free what He left free. Give the body of Christ a floor it can share, and the brother who moves to a new town, or the brother who has quietly changed his mind, need never again be turned from the door over anything less than the faith that makes us one.