Guidance From a Mature Believer: We are God's Children
GUIDANCE FROM A MATURE BELIEVER · 1 JOHN 3:1–10
You Already Belong
What it means to be God’s child right now, and why it changes how you live today
“See what great love the Father has given us that we should be called God’s children—and we are!”
— 1 John 3:1 (CSB)
Have you ever walked into a family reunion where you barely knew a soul? You hover near the door, holding a covered dish, wondering whether you should even be there. Then some white-haired aunt you have never met looks at you, squints, and says, “Oh, honey, you’re one of ours. You have your grandmother’s smile.” And just like that, the room changes. You did not earn a place at that table. You were born into it.
I think about that moment often when I read the opening of 1 John 3. So many of us spend our spiritual lives hovering near the door. We love the Lord, we show up on Sunday, and yet deep down we wonder if we are really welcome, really wanted, really his. John, the aged apostle who had walked with Jesus, leans in close and settles the question for us with three short words: and we are!
An Old Friend’s Reassurance
By the time John wrote this letter, he was an elderly man who had buried friends, outlived nearly every other apostle, and watched false teachers stir up confusion in the churches he loved. He wrote the way a seasoned grandparent talks to the grandchildren gathered at the kitchen table: tenderly, plainly, and with no patience for anything that would rob them of the joy of belonging to God.
In these ten verses, John tells us three things. Verse 1 tells us who we are: members of God’s family, his very own children. Verse 2 tells us who we are becoming: people who will one day reflect him fully. And the rest of the passage, along with the verses that follow it, shows us what we have as we grow to resemble our Father: victory over sin (3:4–9), love for others (3:10–18), and confidence before God (3:19–24). Let’s sit with each of these together.
Who You Are: Loved and Named
Your worth was settled the day God called you his child. Read that sentence again, slowly, because the world will spend all week trying to talk you out of it. Your job title, your bank balance, the number on the scale, the way your adult children treat you, the mistakes you made in your twenties: none of these get the final word on your value. God’s love does, and he has already spoken.
Notice the tense John uses in verse 2: “we are God’s children now.” Being his child belongs to today, this ordinary Monday morning, as much as it belongs to eternity. You do not have to wait until heaven to be fully welcomed into the family.
Paul echoes this truth again and again. He tells the Romans that everyone led by God’s Spirit is a child of God, that the Spirit himself assures our hearts that we belong, and that we are heirs of God and coheirs with Christ (Romans 8:14–17). He reminds the Galatians that through faith we are all God’s children in Christ Jesus, clothed with Christ himself (Galatians 3:26–27). And then he says this:
“So you are no longer a slave but a son, and if a son, then God has made you an heir.”
— Galatians 4:7 (CSB)
Friend, a slave works to earn a place. A child simply has one. And because you have that place, you are free to live like the Son who brought you into the family. Knowing whose you are is the strongest encouragement there is to live the way Jesus lived.
Who You Are Becoming
“Dear friends, we are God’s children now, and what we will be has not yet been revealed. We know that when he appears, we will be like him because we will see him as he is. And everyone who has this hope in him purifies himself just as he is pure.”
— 1 John 3:2–3 (CSB)
The Christian life is a lifelong process of becoming more and more like Christ. Paul says God’s plan from the beginning was for us “to be conformed to the image of his Son” (Romans 8:29). Some days we see the family resemblance clearly. Other days, if we are honest, we can barely make it out. Paul admits as much: “For now we see only a reflection as in a mirror, but then face to face” (1 Corinthians 13:12). The work will not be finished until we see Jesus, when he will transform our humble bodies to be like his glorious body (Philippians 3:21).
Here is the beautiful part. That future hope reaches back into today and shapes how we live. John says everyone who holds this hope purifies himself. To keep pure means to keep morally straight, free from the corruption of sin. God is the one who cleanses us, and yet Scripture also calls us to do our part: to keep ourselves pure (1 Timothy 5:22), to love one another earnestly from a pure heart (1 Peter 1:22), and to come close to the Lord.
“Draw near to God, and he will draw near to you.”
— James 4:8 (CSB)
Committing a Sin Versus Living in It
Verses 4 through 6 can feel frightening if we read them too quickly. John says everyone who remains in Christ does not sin. If you are anything like me, your first thought is, “Well, then I’m in trouble, because I sinned before breakfast.”
Take a breath. There is a real difference between committing a sin and continuing to sin. Even the most faithful believers stumble. What sets them apart is that they do not cherish a particular sin or keep choosing it on purpose. When a believer falls, they feel the weight of it. They repent, confess, and find forgiveness. That is the rhythm of a child who loves the Father.
The person John is warning about lives differently. They are not sorry for what they are doing. Because they feel no sorrow, they never confess, and because they never confess, they never receive forgiveness. No matter what religious claims such a person makes, their life stands in opposition to God. The word John uses points to a settled pattern, a way of life, rather than a single bad day.
The Lamb Who Takes Away Sin
Verse 5 reminds us why Jesus came: “he was revealed so that he might take away sins, and there is no sin in him.” Under the Old Testament sacrificial system, a lamb without blemish was offered for the sins of the people. Year after year, the altar fires burned, pointing forward to something greater. Then John the Baptist saw Jesus walking toward him and cried out:
“Here is the Lamb of God, who takes away the sin of the world!”
— John 1:29 (CSB)
Because Jesus lived a perfect life and offered himself in our place, we can be completely forgiven (1 John 2:2). Peter tells us we were redeemed with the precious blood of Christ, a spotless lamb chosen before the foundation of the world (1 Peter 1:18–20). We can look back at the cross and know with certainty that we will never face eternal death. Verse 8 adds that the Son of God came for this purpose: to destroy the devil’s works. What Jesus came to destroy, he does not intend to leave running your life.
A Word for the One Who Is Still Struggling
Maybe you are reading this with a particular struggle in mind. A temper that flares. A habit you have promised to quit more times than you can count. A secret that keeps pulling you back. We all have areas where temptation is strong and habits are hard to conquer, and those weak spots give the devil a foothold. We have to deal with them honestly.
But hear me clearly: if you are fighting that sin, grieving over it, and asking God for help, these verses are aimed at someone else. John is describing people who make a practice of sinning and go looking for ways to justify it. Someone whose victory is still incomplete falls into a completely different category. When John says a child of God is “not able to sin,” he means true believers do not make a practice of it, and they do not grow indifferent to God’s moral law. All believers still sin. The difference is that they are working, with God’s help, toward victory.
So how do we gain ground on a sin that keeps prevailing? Here are three steps that have helped countless believers before us:
Lean on the power of the Holy Spirit and God’s Word. You were never meant to win this battle on willpower alone. Ask the Spirit for strength each morning, and keep Scripture close enough to reach for when temptation comes.
Stay away from tempting situations. Know your triggers and plan your exits. Sometimes the most spiritual thing you can do is change the route you drive home, delete an app, or leave the room.
Seek help from the body of Christ. Let a trusted brother or sister in the faith pray for you and hold you accountable. Sin grows strong in secret and weak in the light of loving friendship.
Born of God: A New Family Name
“Everyone who has been born of God does not sin, because his seed remains in him; he is not able to sin, because he has been born of God.”
— 1 John 3:9 (CSB)
We are “born of God” when the Holy Spirit comes to live in us and gives us the new life of Jesus. Being born again goes far deeper than turning over a new leaf. It is a true rebirth, and with it you receive a new family name, purchased by Christ’s death for you. Jesus explained this to Nicodemus one night under a Jerusalem sky (John 3:1–21), and it remains just as wonderful today.
When this happens, God forgives you and accepts you completely. The Holy Spirit gives you a new mind and a new heart, takes up residence in you, and begins the lifelong work of making you like Christ. Your perspective changes, too, because the Spirit renews your mind day by day. Paul urges us to put off the old self and put on the new one, created to be like God in righteousness and holiness (Ephesians 4:22–24).
“Do not be conformed to this age, but be transformed by the renewing of your mind, so that you may discern what is the good, pleasing, and perfect will of God.”
— Romans 12:2 (CSB)
A new heart naturally leads to new thinking, and new thinking leads to new living. Verse 10 tells us the family resemblance becomes obvious: God’s children do what is right, and they love their brothers and sisters.
Coming Home to Who You Are
Let’s go back to that family reunion for a moment. The aunt who recognized you did not ask for your résumé. She saw your grandmother’s smile and welcomed you in. Something similar happens in the family of God. Our Father has already welcomed you, and as you spend time in his presence, the family likeness begins to show. People start to notice his kindness in your words, his patience in your reactions, his purity in your choices.
You are God’s child now. You are becoming like Jesus. And every step of that journey is held securely in the love of a Father who will never send you back out the door. So stop hovering near the entrance. Pull up a chair. You belong at this table.
Your Plan of Action
Growing in the family likeness happens one ordinary day at a time. Here are some simple steps to help you live this week as the child of God you already are:
Daily | This Week | This Month | Ongoing |
Start the morning by saying out loud, “I am God’s child today.” Read 1 John 3:1 before you check your phone. | Read 1 John 3:1–10 slowly, twice. Underline every phrase that tells you who you are. | Choose one Romans 8 or Galatians 4 passage on adoption and commit it to memory. | Let God’s love, rather than performance or opinion, be the measure you use for your worth. |
Keep short accounts with God. Before bed, confess anything specific and receive his forgiveness. | Name one area where temptation keeps finding you. Write down one situation you will avoid. | Ask a trusted, mature believer to pray for you and check in on that area of struggle. | Practice repentance as a habit of the heart: notice, confess, turn, and keep walking. |
Pray Romans 12:2 over your thoughts: ask the Spirit to renew your mind today. | Do one quiet act of love for a brother or sister in Christ, as 1 John 3:10 calls us to. | Look back over the month. Where do you see family resemblance to Jesus growing? | Fix your hope on the day you will see him face to face, and let that hope keep you pure. |
Help · Hope · Home You have a Father who calls you his own and a church family that wants to walk beside you. If you are wrestling with a habit you cannot seem to break, or you are wondering whether you truly belong to God, please reach out. We would count it a privilege to pray with you. Join us this Sunday at Hope Christian Church. |
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