A Tree Is Known by Its Fruit
Month 9: Guard Your Heart — Becoming Like Jesus · Heart Matters
Today's Scripture
Read together: Matthew 7:15-20 & Luke 6:45
15 Beware of false prophets. They come to you in sheep’s clothing, but inwardly they are ravenous wolves. 16 By their fruit you will recognize them. Are grapes gathered from thornbushes, or figs from thistles? 17 Likewise, every good tree bears good fruit, but a bad tree bears bad fruit. 18 A good tree cannot bear bad fruit, and a bad tree cannot bear good fruit. 19 Every tree that does not bear good fruit is cut down and thrown into the fire. 20 So then, by their fruit you will recognize them. — Matthew 7:15-20
45 The good man brings good things out of the good treasure of his heart, and the evil man brings evil things out of the evil treasure of his heart. For out of the overflow of the heart the mouth speaks. — Luke 6:45
Memory Verse
“Therefore everyone who hears these words of Mine and acts on them is like a wise man who built his house on the rock.”— Matthew 7:24 (BSB)
📖 Bible-in-a-Year (optional)
Today's reading: Esther 1–4
Reading the whole Bible in a year — do this when you have extra time. (Esther's quiet courage shows a heart growing good fruit when it counts most.)The Heart of It
Just before the wise and foolish builders, Jesus paints another picture from everyday life. He talks about a tree and its fruit. You can't always tell a good tree from a bad one by its leaves or its size. But wait until the fruit appears. Then the truth comes out. "A good tree cannot bear bad fruit, and a bad tree cannot bear good fruit" (). Apple trees grow apples. Thorn bushes never do. What's on the inside always shows up on the outside in the end. This is heart matters at its plainest. Your heart is the root. Your words and actions are the fruit.
Jesus says it even more clearly in Luke. "The good man brings good things out of the good treasure of his heart… For out of the overflow of the heart the mouth speaks" (). That last line is one to remember. When your heart is full of something, it leaks out of your mouth. Kind words or cruel ones. Thank-you or grumbling. Truth or lies. So when ugly words pop out of us, the real problem isn't the mouth. It's the heart behind it. That's exactly why we spend a whole month learning to guard our hearts (). We can't fake good fruit for long. But here's the hope. Jesus doesn't just trim our branches. He changes our roots. When He gives us a new heart, good fruit starts to grow on its own. The tree itself has been made new.
Around the Table
Apple trees make apples, not bananas! What's inside a tree comes out. What's inside our hearts comes out too.
Let's do it: Name a fruit and "pick" it from a pretend tree. Then say, "A kind heart grows kind words!"
When mean words slip out, the real problem is the heart. It isn't just the mouth. Jesus wants to change us from the inside.
Let's talk: What kind of fruit came out of your mouth today? Was it sweet or sour? What does that tell you about your heart?
"Out of the overflow of the heart the mouth speaks" (). Our words and our reactions show what's really filling us up.
Let's go deeper: Why is it impossible to fake good fruit forever? And what does that tell you about the only real way to change?
💬 Conversation Starter
If your words today were fruit on a tree, would people want to pick them and eat them? Or would they be sour? Why?
🛡️ Defending the Faith
How do we know Christianity really changes people, and isn't just empty talk? Jesus said, "By their fruit you will recognize them" (). He invited us to test it. All over the world, people who meet the risen Christ grow real fruit you can see. Anger turns into patience. Chains turn into freedom. Hatred turns into love. No willpower could grow lives like that. They point us back to a living Savior.
For Dad · Go Deeper
This passage frees you from a frustrating trap. The trap is trying to fix your children's fruit while ignoring their roots. You can punish a sour word, drill a better manner, and demand a nicer tone. But all you produce is a child who has learned to hide the rotten fruit better. Jesus aims at the tree instead. Real change is a heart matter, and only the Holy Spirit grows that kind of fruit (). So aim deeper than behavior management. When your child sins with their mouth, gently go to the root. Ask, "What was going on in your heart just then?" Lead them past "I'll try harder" to "I need Jesus to change me." And turn the same light on yourself first. Your kids are watching your fruit. Here's the good news. You are not the gardener of your own heart by willpower. You abide in the Vine, and He bears the fruit through you ().
Draws on: Paul David Tripp, Instruments in the Redeemer's Hands.
Let's Pray Together
"Father, You see our roots, not just our fruit. Change our hearts from the inside. By Your Spirit, grow good fruit in us that everyone can taste. In Jesus' name, amen."
My words are the fruit. My heart is the root. And Jesus is the One who makes the tree good.