Who's telling the truth about Jesus?
- Thad DeBuhr
- 2 days ago
- 16 min read
Study Guide: 1 John 5:6-12
Imagine sitting in a courtroom.
A serious question is being argued. Different people are telling different stories. Some sound confident. Some sound emotional. Some seem convincing at first, but the details do not line up.
Then reliable witnesses begin to speak. They are steady. Their testimony agrees. They are not guessing. They are not spreading rumors. They are telling what they know to be true.
At that point, the whole room has to decide: whose testimony will we trust?
That is the kind of picture John gives us in 1 John 5:6–12. The churches he wrote to had been hearing mixed messages about Jesus. Some teachers sounded spiritual, but they were changing the story. They were not just adding small details. They were reshaping Jesus into someone different.
John steps in and says, “God has already given testimony about His Son. The real question is not what version of Jesus people prefer. The real question is whether we will receive what God has said about Him.”
This passage is about testimony, trust, and life. It asks one of the most important questions any person can answer:
Who gets the final word about Jesus?
As you go through the study guide, I would suggest reading or listening to the Bible passages in two different bible translations from this list: NIV, NLT, NASB, ESV, NKJV
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Setting the Scene
By the time we reach 1 John 5:6–12, John is nearing the end of his letter. He has already spent several chapters helping believers know the difference between real faith and empty claims. Again and again, he has brought them back to the same core truths: the real Jesus, real love, real obedience, and real confidence before God.
The church had gone through a painful split. Some people had left the fellowship and claimed to have deeper spiritual knowledge. They may have sounded impressive, but they were distorting the truth about Jesus and failing to love other believers. John had already warned about this earlier when he said, “They went out from us, but they did not really belong to us” (1 John 2:19).
This was not a small disagreement over minor details. The identity of Jesus was at stake.
John had already told the believers to “test the spirits” because not every spiritual message comes from God (1 John 4:1). The main test was what a message says about Jesus. Does it confess the real Jesus who came in the flesh? Or does it offer a more spiritual-sounding version that avoids the hard truth of the incarnation and the cross?
That is why this passage matters so much. John is not giving his readers a random theological puzzle. He is protecting them from a false version of Jesus.
The likely setting is the region around Ephesus in western Asia Minor, modern-day Turkey. Ephesus was a major city in the Roman world. It was full of temples, idols, trade, public pressure, and spiritual claims. People in that world were used to many gods, many teachers, many philosophies, and many religious options.
So when John says life is found in the Son, he is saying something clear and bold in a crowded spiritual marketplace. Eternal life is not found in secret knowledge, Roman power, temple religion, personal feelings, or spiritual speculation. Life is found in Jesus Christ.
Context Matters: Why Witnesses Matter
When John talks about witnesses in this passage, he is using language his first readers would have understood. In Jewish law, one witness was not enough to settle a serious matter. Important claims needed two or three witnesses.
Deuteronomy 19:15 says, “A matter must be established by the testimony of two or three witnesses.”
This same idea shows up in the New Testament. Jesus refers to it in Matthew 18:16 when teaching how to handle conflict fairly, and Paul uses it in 2 Corinthians 13:1 when dealing with serious problems in the church.
The point is simple: big truth should not rest on one unsupported claim.
In the ancient world, before cameras, recordings, and digital records, reliable witnesses carried serious weight. If two or three trustworthy witnesses agreed, their testimony was considered strong.
So when John says the Spirit, the water, and the blood all agree, he is using courtroom language. God is not asking believers to trust a rumor about Jesus. He has given trustworthy testimony.
Summary of the TEACHING
This passage focuses on one major question: who is telling the truth about Jesus?
John knows the believers are hearing different voices. Some people are confident. Some sound spiritual. Some may even claim special insight. But John does not want the church to be tossed around by every new claim. He wants them anchored to God’s own testimony about His Son.
In this section, John walks us through the witnesses God has given, the testimony they share, and the life that comes only through Jesus.
1. Jesus Came by Water and Blood
1 John 5:6
John begins with a phrase that can sound strange to modern readers: “This is the one who came by water and blood—Jesus Christ.”
Most likely, the “water” points to Jesus’ baptism, and the “blood” points to His death on the cross.
At His baptism, Jesus was publicly revealed as God’s Son. The Father spoke, the Spirit descended, and Jesus began His public ministry (Matthew 3:13–17; Mark 1:9–11). The water reminds us that Jesus did not appear out of nowhere with a private message. He stepped into history. He was seen, heard, and publicly identified.
The blood points us to the cross. Jesus did not merely teach, heal, inspire, and then leave. He went all the way to death. His blood reminds us that His mission was not just to give advice, but to rescue.
John then adds an important clarification: Jesus came “not by water only, but by water and blood.”
That line matters. Some people in John’s world seemed willing to honor Jesus as a special spiritual figure, but they did not want the full story. They liked the idea of Jesus being chosen, wise, powerful, or touched by God, but they struggled with the idea that the Son of God truly came in the flesh and truly died.
John refuses to let them split Jesus apart.
The same Jesus who was baptized is the same Jesus who bled. The same Jesus who was affirmed by the Father is the same Jesus who died on the cross. You cannot keep the inspiring parts of Jesus and remove the suffering parts.
That is still an important warning today. Many people like Jesus as a teacher, example, healer, moral voice, or spiritual guide. But John says we cannot stop there. Jesus came by water and blood. The cross is not optional.
2. The Cross Cannot Be Removed
John has already shown us that the death of Jesus is central to God’s love and rescue.
Earlier in the letter, he wrote that Jesus is “the atoning sacrifice for our sins” (1 John 2:2). Later, he said, “This is how we know what love is: Jesus Christ laid down his life for us” (1 John 3:16). In 1 John 4:10, John said God loved us and sent His Son as the sacrifice for our sins.
So when John says Jesus came by blood, he is not adding a side note. He is returning to the heart of the message.
Jesus did not come merely to improve our lives. He came to give us life. He did not come only to explain love. He came to show love by giving Himself. He did not come only to teach us how to live. He came to deal with the sin and death that keep us from life with God.
The cross tells the truth about sin, and it tells the truth about God’s love. Sin is serious enough that Jesus had to die. God’s love is deep enough that Jesus was willing to die.
That is why a crossless Jesus cannot save. A Jesus who only inspires us but never rescues us is not the Jesus John is talking about.
3. The Spirit Tells the Truth
1 John 5:6
John continues by saying, “And it is the Spirit who testifies, because the Spirit is the truth.”
The word “testifies” means to give witness. John is still using courtroom language. The Spirit gives true testimony about Jesus.
This connects with what Jesus said in the Gospel of John. Jesus told His followers that the Spirit would testify about Him and guide them into truth (John 15:26; 16:13–14). The Spirit does not create a new Jesus. The Spirit points us back to the real Jesus.
That matters because spiritual-sounding messages can be misleading. A person can sound deep, emotional, powerful, or religious and still lead people away from the truth.
John already warned believers about this in 1 John 4:1 when he said not to believe every spirit, but to test the spirits. The Spirit of God does not move people away from the Son of God.
That is a simple but powerful test.
If a teaching makes Jesus less central, less real, less human, less divine, less crucified, or less necessary, it is not the Spirit of truth.
The Spirit tells the truth about Jesus.
4. The Three Witnesses Agree
1 John 5:7–8
John says there are three that testify: the Spirit, the water, and the blood. Then he says, “the three are in agreement.”
This is where the courtroom picture becomes even clearer. In the biblical world, important matters were confirmed by multiple witnesses. John is saying God has not left His people guessing.
The water points to Jesus’ baptism and public revealing. The blood points to Jesus’ death on the cross. The Spirit confirms the truth about Him.
Together, they say the same thing: Jesus is the Son of God, and life is found in Him.
This would have been comforting for John’s readers. They did not have to chase every new teacher, every spiritual claim, or every “deeper” version of the faith. God had already given clear testimony.
The Christian faith is not built on rumor, guesswork, or personal preference. It is built on God’s witness to His Son.
5. A Quick Note About Verse 7 in Some Bibles
Some older Bible translations include extra words in verse 7 about “the Father, the Word, and the Holy Spirit” bearing witness in heaven.
Most modern translations leave those extra words out or place them in a footnote because they are not found in the earliest and strongest Greek manuscripts.
This does not remove the Trinity from the Bible. The Father, Son, and Spirit are clearly seen throughout the New Testament. It simply means those extra words were probably added later by a scribe.
The main point of this passage remains the same: God has given trustworthy witness about Jesus.
6. God’s Testimony Is Greater Than Human Opinion
1 John 5:9
John then makes a simple argument: “We accept human testimony, but God’s testimony is greater.”
We do this all the time. We trust doctors, mechanics, pilots, teachers, witnesses, family members, maps, contracts, and instructions. Much of daily life depends on receiving testimony from other people.
John says if we understand the value of human testimony, how much more should we trust God’s testimony?
This is where the passage becomes very personal. Everyone has an opinion about Jesus. Culture has opinions. Historians have opinions. Religious groups have opinions. Friends and family may have opinions. Our own feelings may have opinions.
But John asks: who gets the final word?
False teachers do not get the final word. Culture does not get the final word. Our emotions do not get the final word. God gets the final word.
That does not mean we turn off our minds. It means we learn to place God’s testimony above every competing voice.
7. Rejecting Jesus Means Rejecting God’s Testimony
1 John 5:10
John says, “Whoever does not believe God has made him out to be a liar, because they have not believed the testimony God has given about his Son.”
That is strong language, but John is trying to make the issue clear.
Rejecting Jesus is not just rejecting one religious option among many. It is rejecting what God Himself has said about His Son.
Faith is not blind guessing. Faith is receiving what God has made known.
When someone believes in Jesus, God’s testimony becomes more than information outside of them. John says the believer “has this testimony in their heart” (1 John 5:10). In other words, the truth about Jesus takes root inside them. They begin to live from it.
This does not mean believers never have questions. It does not mean they never struggle. John is not describing a faith with no weakness. He is describing a faith that has received God’s testimony and keeps coming back to it.
8. The Testimony Is This: God Gave Us Life
1 John 5:11
John now gives the heart of the passage: “And this is the testimony: God has given us eternal life, and this life is in his Son.”
That sentence is simple, but it is full of meaning.
God has given us life.
This life is in His Son.
John does not say eternal life is found in religious effort, spiritual secrets, personal success, moral improvement, emotional experiences, or church activity. Those things may have a place, but they are not the source of life.
Life is in Jesus.
Eternal life does not only mean living forever after death, though it includes that. In John’s writings, eternal life is the life of God that begins now and continues forever. It is knowing God through Jesus (John 17:3). It is life that comes from being connected to the Son.
John began this letter by saying that “the life appeared” in Jesus (1 John 1:1–2). Now, near the end of the letter, he comes back to the same idea.
Life is not just a concept.
Life is not just a belief system.
Life is found in a person.
Life is in the Son.
9. Whoever Has the Son Has Life
1 John 5:12
John ends this section with a clear line: “Whoever has the Son has life; whoever does not have the Son of God does not have life.”
This may sound narrow to modern ears, but John is not trying to be harsh. He is trying to protect people from a fake version of faith.
If life is in the Son, then we cannot reject the Son and still claim to have the life He gives.
We cannot keep the benefits of Jesus while changing who Jesus is. We cannot say yes to eternal life while saying no to the One in whom that life is found.
John wants believers anchored to the real Jesus.
This is not about winning an argument. It is about knowing where life is found.
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Why We Look at "Wrong" and "Right" Applications
This passage can feel difficult because it uses language modern readers do not use every day: water, blood, testimony, witnesses, and eternal life. When we do not slow down and read carefully, we can easily miss John’s main point.
Some people turn the water and blood into a strange code. Others focus so much on the details that they miss the clear message. Still others try to use this passage to win arguments rather than receive the life John is pointing to.
John is not trying to make believers suspicious, harsh, or argumentative. He is trying to keep them anchored to the real Jesus.
That is why we need to talk about applying this passage wrongly and rightly. Good application begins with understanding what John was actually saying to his first readers.
❌ APPLYING IT WRONG
One wrong way to read this passage is to turn “water and blood” into a Bible puzzle and forget the point. John is not giving readers a secret code to solve. He is defending the full truth about Jesus. The water and blood point us to Jesus’ real mission, especially His public revealing and His death on the cross.
Another wrong way is to create a Jesus without the cross. Many people are comfortable with Jesus as a teacher, healer, example, or spiritual guide. But John will not let us stop there. Jesus came by water and blood. The cross is not optional. A crossless Jesus may be easier to market, but he cannot save.
A third wrong way is to make faith depend on feelings. Some believers think their faith is only strong when they feel close to God. When they feel dry, tired, confused, or discouraged, they assume something is wrong. John points us to something stronger than feelings. God has testified about His Son. Our confidence rests on God’s testimony, not on our emotional ups and downs.
Another wrong way is to treat all spiritual claims as equal. John does not say every spiritual message is basically fine as long as it sounds sincere. He says the Spirit tells the truth about Jesus. If a message moves people away from the real Jesus, it is not from the Spirit of truth, no matter how deep or impressive it sounds.
A final wrong way is to use this passage as a weapon instead of a warning and invitation. John is direct, but his goal is not pride. He is not teaching believers to look down on others. He is calling them to hold tightly to the Son because life is found in Him.
✅ Applying it the Right Way:
The right way to approach this passage is to keep Jesus at the center. John is not mainly trying to satisfy curiosity about symbols. He is helping believers know whose testimony to trust.
Read the passage like a courtroom scene. John presents witnesses: the Spirit, the water, and the blood. Their testimony agrees. Jesus is the Son of God. He truly came. He truly died. He truly gives life.
It also helps to remember the historical setting. John’s readers lived in a world full of religious options, spiritual claims, and social pressure. They were not choosing between faith and a neutral world. They were surrounded by competing stories about truth, power, identity, and life.
That is not so different from us.
Today, people still offer many versions of Jesus. Some present Him as a life coach. Some make Him a political mascot. Some reduce Him to a moral teacher. Some use His name but avoid His cross. John calls us back to the real Jesus.
We should also read this passage with Jewish witness language in mind. The idea of two or three witnesses would have made sense to John’s first readers. He is saying God has given strong, reliable testimony. We are not being asked to believe a rumor.
Finally, let this passage lead you to assurance. John is not trying to make believers more anxious. He is helping them know where life is found. If life is in the Son, then the most important question is not, “Have I performed well enough this week?” The question is, “Am I trusting the Son God has given?”
Questions to Chew on and Discuss:
These questions are designed to help you personally dig deeper into the passage and help guide your discussions in your Journey Groups and Me & 3 small groups.
The Facts (What Does It Say?)
What three witnesses does John mention in 1 John 5:6–8, and what do they agree about?
According to 1 John 5:11, what has God given, and where is that life found?
What does John say about the person who has the Son in 1 John 5:12?
The Meaning (What Does It Mean?)
Why do you think John makes such a big deal about Jesus coming by both water and blood?
What does this passage teach us about the difference between human opinion and God’s testimony?
Why is it important that eternal life is found “in His Son” and not in religious effort, feelings, or personal success?
The Heart (What Am I Hearing?)
Which voice do you find easiest to trust when it comes to Jesus: culture, feelings, other people, church background, or God’s testimony? Why?
When you think about communion, does it feel more like a routine, a reminder, a gift, or an invitation? Explain.
What part of this passage gives you the most confidence or comfort right now?
The Hands (What Will I Do?)
What is one false or incomplete version of Jesus you need to reject or stop listening to?
How can communion become more meaningful for you instead of something you simply go through?
What is one practical way you can live this week like life really is found in Jesus?
Journey Group OR ME & 3 Small Group Discussion Starters:
Whether you're helping facilitate a small group, talking about this passage one-on-one with a friend, or even just need a topic to guide the conversation at the dinner table, these ideas can help start a good group conversation before you dive into the passage and questions in this study guide.
Discussion Starter 1
John says, “Whoever has the Son has life.” What does that mean to you in normal, everyday language?
Discussion Starter 2
When you take communion, what do you most need to remember: that Jesus came near, that Jesus gave His life, that your sins are forgiven, or that life is found in Him?
🧩 SUM IT UP
John wants believers to stop being shaken by every new spiritual claim. God has already spoken clearly about Jesus. The Spirit, the water, and the blood agree.
Jesus is the Son of God. He came fully into the world. He went all the way to the cross. He gives eternal life to everyone who belongs to Him.
The question is not, “What version of Jesus do I prefer?”
The question is, “Will I receive God’s testimony about His Son?”
Whoever has the Son has life.
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