Yes, a Christian can. We say so because Paul said so, in those words, to people who were already in Christ (Galatians 5:4). That doesn't mean God turns loose of anybody easily, and it doesn't mean one rough month sinks you. It means the faith that brought you to Christ is meant to stay alive, and the New Testament keeps telling believers to guard it.
The Verse That Settles Whether It Can Happen
Paul was writing to Christians in Galatia who were sliding back to the law of Moses as the thing that put them right with God. He didn't soften the result: "You are severed from Christ, you who would be justified by the law; you have fallen away from grace" (Galatians 5:4).
Sit with what that sentence takes for granted. Nobody gets severed from something he was never attached to. These were people in Christ, and Paul tells them they'd cut themselves loose.
A note on the Greek: Paul uses two strong verbs. "Severed" is katērgēthēte, from katargeō, "to render inoperative, to cut off from effect." The same word appears in Romans 7:2, where a widow is "released" from the law of her husband. The bond was real, and it has been broken. "You have fallen away" is exepesate, from ekpiptō, "to fall out of." Luke uses this verb for a ship drifting off course and running aground (Acts 27:17, 26, 29). You can't drift out of a harbor you were never in.
Hebrews talks the same way, and it's addressing brothers: "Take care, brothers, lest there be in any of you an evil, unbelieving heart, leading you to fall away from the living God" (Hebrews 3:12). A warning is worthless if the thing it warns about can't happen. Two verses later the writer makes the condition plain: "For we have come to share in Christ, if indeed we hold our original confidence firm to the end" (Hebrews 3:14). Paul puts it the same way to the Colossians. Christ will present them holy and blameless "if indeed you continue in the faith, stable and steadfast" (Colossians 1:22–23).
A note on the Greek: "Fall away" in Hebrews 3:12 is apostēnai, from aphistēmi. It's the root of our English word apostasy. The word doesn't describe stumbling. It describes standing up and leaving, and the writer says it's possible for "brothers."
Peter describes people further down that same road, people who'd gotten clear of the world and then walked back into it: "For if, after they have escaped the defilements of the world through the knowledge of our Lord and Savior Jesus Christ, they are again entangled in them and overcome, the last state has become worse for them than the first" (2 Peter 2:20). He goes on: "For it would have been better for them never to have known the way of righteousness than after knowing it to turn back" (2 Peter 2:21). You can't turn back from a road you were never on.
Three writers, three audiences, one warning.
But Doesn't Jesus Say Nobody Can Snatch Them?
He does, and we believe Him: "I give them eternal life, and they will never perish, and no one will snatch them out of my hand" (John 10:28). No devil and no enemy of any kind can rip a sheep out of the Shepherd's grip. That promise is solid and we wouldn't trim a word of it.
Read what it actually guarantees, though. It rules out what somebody else can do to you. It doesn't say a sheep can't wander off on its own, and sheep in Scripture do that constantly (Isaiah 53:6; Luke 15:4). Hebrews already told us where the danger lives, and it isn't outside the fold. It's an unbelieving heart inside it.
Look also at the verse just before it, which tells us who the promise is for: "My sheep hear my voice, and I know them, and they follow me" (John 10:27).
A note on the Greek: In John 10:27, "hear" (akouousin) and "follow" (akolouthousin) are both present tense, which in Greek describes ongoing action. Jesus' sheep are the ones who keep hearing and keep following. The promise in verse 28 is made to sheep who are following. "Snatch" (harpasei) means to seize by force. It describes a thief or a wolf (John 10:10, 12), not a sheep that walks away.
Romans 8:38–39 makes the same promise ("nor anything else in all creation will be able to separate us from the love of God"), and it means the same thing: no outside power can tear you away. Paul himself shows it was never meant as a guarantee against walking away. Three chapters later he writes to Christians: "Note then the kindness and the severity of God: severity toward those who have fallen, but God's kindness to you, provided you continue in his kindness. Otherwise you too will be cut off" (Romans 11:22).
Stumbling Isn't the Same as Walking Away
Falling away isn't a bad day. Christians sin, and John assumes it when he tells believers to confess and reminds them they have an Advocate (1 John 1:8–9; 2:1). If every failure ended a person's salvation, nobody would still have his by lunchtime.
Falling away is leaving. It's giving up on faith, going back to the life you were rescued from, and settling there (2 Peter 2:20; Hebrews 10:26–27). Paul reached for Israel to make the point. Every one of them walked out of Egypt and most never reached the land (1 Corinthians 10:1–5). Then he turned the story on his readers: "Therefore let anyone who thinks that he stands take heed lest he fall" (1 Corinthians 10:12).
He didn't leave them standing there nervous, either. The very next sentence is this: "God is faithful, and he will not let you be tempted beyond your ability, but with the temptation he will also provide the way of escape, that you may be able to endure it" (1 Corinthians 10:13). He wasn't rattling them. He was keeping them.
So Where Does Confidence Come From?
Here's the half of the answer that usually gets dropped. The same John who warned about sin wrote this too: "I write these things to you who believe in the name of the Son of God that you may know that you have eternal life" (1 John 5:13). Know it. Not hope so.
That confidence doesn't rest on a spotless record. It rests on a promise God made to keep cleansing the people who keep walking with Him: "But if we walk in the light, as he is in the light, we have fellowship with one another, and the blood of Jesus his Son cleanses us from all sin" (1 John 1:7). The cleansing keeps going as long as the walking does.
A note on the Greek: That last sentence isn't just a figure of speech. "Walk" (peripatōmen) is present tense, ongoing action: "if we keep walking." "Cleanses" (katharizei) is also present tense: "keeps on cleansing." John isn't describing a single washing from years ago. He's describing a cleansing that continues every day the Christian keeps walking.
"Once saved, always saved" hands a person a promise God never made. What He did promise is steadier: walk in the light, and His Son's blood covers you the whole way. People who believe that don't wake up afraid they've been disowned. They wake up and keep walking.
What About Hebrews 6?
If you've heard this subject argued, somebody has probably pointed you to Hebrews 6:4–6. It says that for those who have "tasted the heavenly gift" and then fallen away, "it is impossible to restore them again to repentance." It's a sobering passage, and it proves again that real believers can fall away. Some readers take it further and conclude that anyone who has ever drifted is now beyond hope.
That isn't what the verse says. The writer gives the reason it's impossible: "since they are crucifying once again the Son of God to their own harm and holding him up to contempt" (Hebrews 6:6). "Crucifying" and "holding up to contempt" are present participles in Greek (anastaurountas, paradeigmatizontas), which describe something still going on. A person can't be brought back to repentance while he keeps treating Christ with contempt, just as a man can't be pulled out of the water while he's still pushing the rope away. If you're worried that you've drifted, you're not holding Christ in contempt. You're looking for Him.
What if You Think You Already Have?
Then nothing's closed. Simon in Acts 8 believed and was immersed (Acts 8:13), then sinned so badly that Peter told him, "your heart is not right before God." Peter didn't say he'd never been saved, and he didn't say the door had shut. He said, "Repent, therefore, of this wickedness of yours, and pray to the Lord" (Acts 8:21–22). In the story Jesus told, the father spotted his son a long way off and ran, and the boy was "dead, and is alive again" (Luke 15:24).
A note on the Hebrew: God said all of this through Ezekiel centuries earlier, and He used one verb for both directions. "When a righteous person turns away (uveshuv) from his righteousness… None of the righteous deeds that he has done shall be remembered" (Ezekiel 18:24). And three verses earlier: "But if a wicked person turns away (yashuv) from all his sins… he shall surely live" (Ezekiel 18:21). The verb is shuv, "to turn," the Old Testament's main word for repentance. The same word that describes walking away describes coming home, and God tells us which one He wants: "For I have no pleasure in the death of anyone… so turn, and live" (Ezekiel 18:32).
The way back is the way in. Turn around, ask, and come home.
Read It for Yourself
If this one's been sitting heavy on you, don't settle it with a slogan from either side, and don't carry it by yourself. Open Galatians 5 and Hebrews 3, then read 1 John slowly. Scripture's own wording holds up better than anything we'd stack on top of it. Jesus put the whole thing in one line to a church about to suffer for Him: "Be faithful unto death, and I will give you the crown of life" (Revelation 2:10).
And here's the honest shape of who's telling you this. We're one independent congregation with no denomination behind us, no headquarters, and no office handing down positions for us to defend. We're simply Christians who read the book and try to say what it says. So weigh this against the text, and hold us to that same standard.
Come Study It With Us
If you'd like to work through these passages with somebody, we'd enjoy it, at whatever pace suits you and with your questions running the meeting. Nothing gets sold and nobody keeps score. Ask us for a free Bible study, read a little about who we are, or send us a note before you visit.
Our schedule:
We meet at 416 Main Street, Suite D, Honesdale, PA 18431. Parking is at the rear of the building, and the back door is the one to use.