Today’s Passage: 1 John 5
This chapter is the letter’s own conclusion, and it opens with victory. Everyone born of God nikaō, pronounced nee-KAH-oh. Strong's G3528, to conquer, overcome, prevail. This is a victor’s word, the language of a battle fought and actually won, not the language of a wish. And John is precise about where the victory comes from, for it is not from effort and not from willpower. “Everyone born of God overcomes the world. And this is the victory that has overcome the world: our faith” (v. 4). The sentence reverses the order a reader might expect. Faith is not merely the means by which a believer wins a victory still in progress; faith itself is named the victory, already accomplished, already possessed by everyone who believes that Jesus is the Son of God (v. 5). Overcoming the world is not a finish line still ahead of us. It is the given ground a believer already stands on. the world, and the letter names the source of that victory before it names anything else. From there John turns to three witnesses who agree about who Jesus is, and then to the letter’s own stated purpose, and finally to one of the hardest sentences he ever wrote. Six days of tests all arrive here, at the sentence he wrote this whole letter to deliver.
As you read, hold this: These things were written so you may know that you have eternal life.
Context The sentence the letter has been walking toward
John has been circling the same center all week: walk in the light, keep His word, remain in what you heard from the beginning, practice righteousness, love a brother in deed, and confess that Jesus Christ has come in the flesh. Not one of those tests was written to manufacture doubt. They were written so that a believer could close this letter knowing, and verse 13 will say as much in plain speech. Everything that comes before it is the evidence that one sentence rests on.
1 John 5:1–5 (BSB)
¹ Everyone who believes that Jesus is the Christ has been born of God, and everyone who loves the Father also loves those born of Him. ² By this we know that we love the children of God: when we love God and keep His commandments. ³ For this is the love of God, that we keep His commandments. And His commandments are not burdensome, ⁴ because everyone born of God overcomes the world. And this is the victory that has overcome the world: our faith. ⁵ Who then overcomes the world? Only he who believes that Jesus is the Son of God.
“His commandments are not burdensome” (v. 3) is not a small aside. A command from a Father this reliable, backed by a victory this complete, is not the same thing as a demand from a stranger. The weight a command carries depends on who is doing the commanding, and on what has already been secured before the commanding starts.
1 John 5:6–12 (BSB)
⁶ This is the One who came by water and blood, Jesus Christ—not by water alone, but by water and blood. And it is the Spirit who testifies to this, because the Spirit is the truth. ⁷ For there are three that testify: ⁸ the Spirit, the water, and the blood—and these three are in agreement. ⁹ Even if we accept human testimony, the testimony of God is greater. For this is the testimony that God has given about His Son. ¹⁰ Whoever believes in the Son of God has this testimony within him; whoever does not believe God has made Him out to be a liar, because he has not believed in the testimony that God has given about His Son. ¹¹ And this is that testimony: God has given us eternal life, and this life is in His Son. ¹² Whoever has the Son has life; whoever does not have the Son of God does not have life.
“Whoever has the Son has life; whoever does not have the Son of God does not have life” (v. 12). Here is the letter’s central either/or, stated one final time on the strength of that martyria, pronounced mar-tyr-EE-ah. Strong's G3141, testimony, witness, evidence given. This is courtroom language, sworn evidence, the kind a case is decided on. John stacks three witnesses, and the most natural reading ties them back to the crisis this letter was written to answer. The water most likely points to Jesus’s baptism, where His public ministry began in a real body in real water, and the blood points to His death on the cross, a real body actually killed. Read together, water and blood answer the teachers who denied that Jesus truly came and suffered in the flesh, and the Spirit continues that same testimony now, in believers, agreeing with what water and blood already proved. , just before the sentence it has been building toward.
Some later manuscripts insert an additional sentence here, naming “the Father, the Word, and the Holy Spirit” as three heavenly witnesses. This addition, known as the Comma Johanneum, is not found in the earliest Greek manuscripts, and it is not part of the BSB text used in this house. This day rests only on what is actually there in verses 7 and 8: the Spirit, the water, and the blood, all in agreement.
1 John 5:13 (BSB)
¹³ I have written these things to you who believe in the name of the Son of God, so that you may know that you have eternal life.
This is the letter’s own purpose statement, named back on Day 1 and delivered now. Every test the letter has offered has been building toward this one sentence. John did not write five chapters to make a reader wonder harder; he wrote them so that a believer could close the letter knowing, not merely hoping, that they belong to God. That is how the sentence stands: eternal life is possessed, and the writing is given so that those who believe may know they have it.
1 John 5:14–15 (BSB)
¹⁴ And this is the confidence that we have before Him: If we ask anything according to His will, He hears us. ¹⁵ And if we know that He hears us in whatever we ask, we know that we already possess what we have asked of Him.
Confidence in prayer follows directly from the confidence of verse 13. It is a confidence with a shape to it, and not a promise to grant whatever we happen to ask. “According to His will” is not a hedge added to soften the promise; it is the actual promise. A child who knows the Father hears them does not need every request granted exactly as asked in order to remain settled. What they need is to know that the one they are asking truly listens, and truly acts, according to a will that is good.
1 John 5:16–17 (BSB)
¹⁶ If anyone sees his brother committing a sin not leading to death, he should ask God, who will give life to those who commit this kind of sin. There is a sin that leads to death; I am not saying he should ask regarding that sin. ¹⁷ All unrighteousness is sin, yet there is sin that does not lead to death.
Word study "Sin that leads to death" — 1 John 5:16–17
This is one of the hardest verses in the letter. The most likely reading, and the one that fits everything else John has written, is that this describes a believer under the Father’s discipline for persistent, unrepented sin, a discipline severe enough that God ends that believer’s earthly life early. It is not a threat to their eternal standing. It is a Father’s hand, not a judge’s sentence.
Paul describes something very close in Corinth, where believers had abused the Lord’s Table.
"That is why many among you are weak and sick, and a number of you have fallen asleep. Now if we judged ourselves properly, we would not come under judgment. But when we are judged by the Lord, we are being disciplined so that we will not be condemned with the world." 1 Corinthians 11:30–32 (BSB)
Some in that congregation had died under the Lord’s discipline, judged now so as not to be condemned with the world later, and that is the same logic at work here. It is not a reversal of verse 13. A Father can take a true child’s persistent, unrepented sin seriously enough to end their life early and still never disown them. He disciplines; He does not disown.
There is another reading that still fits the letter, in which the sin is the secessionists’ settled rejection of the Son, a rejection that is death because they never had life to begin with (2:19; 5:12). Both readings keep verse 13 intact, and neither one teaches that a true believer can lose the life John has just said they may know they have. The verse is hard, and what the sin refers to is genuinely disputed. Whether a believer who has the Son can lose eternal life is not.
1 John 5:18–21 (BSB)
¹⁸ We know that anyone born of God does not keep on sinning; the One who was born of God protects him, and the evil one cannot touch him. ¹⁹ We know that we are of God, and that the whole world is under the power of the evil one. ²⁰ And we know that the Son of God has come and has given us understanding, so that we may know Him who is true; and we are in Him who is true—in His Son Jesus Christ. He is the true God and eternal life. ²¹ Little children, keep yourselves from idols.
Three times in three verses, John writes “we know,” and this is the letter’s confident final word on the very thing it set out to give. Verse 18 returns to the settled verb of Day 5: anyone born of God does not keep on sinning. And now John adds a further claim, that the One who was born of God protects him, and the evil one cannot touch him. Then, without any transition at all, the letter ends. “Little children, keep yourselves from idols” (v. 21). It reads abruptly because it is abrupt. Settling for anything less than the true God is the one danger a letter about knowing God has to name right up to its final sentence.
Study notes Going deeper
John does not coin the victory claim for the first time here. He is applying to believers what he had already recorded Jesus claiming for Himself, on the last night before the cross.
"I have told you these things so that in Me you may have peace. In the world you will have tribulation. But take courage; I have overcome the world!" John 16:33 (BSB)
The same author, decades apart, records the same verb twice. Jesus claims the victory first, on the threshold of His own suffering, and now the letter hands that finished victory to everyone born of God. Nothing here asks a believer to go out and win a battle Christ has not already won. It asks them only to believe that He has, and to know, because these things were written, that they have eternal life.