Matthew 7:17-19
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What's easy to miss here is that Jesus isn't just saying good trees produce good fruit; he's emphasizing that the fruit proves the tree's nature. A truly good tree cannot produce bad fruit, and a truly bad tree cannot produce good fruit. This isn't about perfection, but about an inherent, consistent character revealed by its outward actions.
So, every healthy tree bears good fruit, but the diseased tree bears bad fruit. A healthy tree cannot bear bad fruit, nor can a diseased tree bear good fruit. Every tree that does not bear good fruit is cut down and thrown into the fire.
English Standard Version (ESV)
Jesus has just warned his disciples about false prophets who appear harmless but are inwardly destructive. He emphasizes that their true nature, like that of wolves in sheep's clothing, will eventually be revealed by their actions. This verse explains that just as a tree's true character is known by its fruit, so too are people, especially those claiming spiritual authority, known by the "fruit" of their teachings and lives.
Jesus uses a simple, relatable image: trees and their fruit. But what's the deep connection He's drawing between our inner selves and our outward actions?
Jesus is clear: the fruit tells the story of the tree. A healthy tree naturally produces good fruit, and a diseased or corrupt tree naturally produces bad fruit. This isn't about occasional slip-ups; it's about the tree's fundamental nature.
Think about it: a lemon tree doesn't suddenly decide to produce apples. Its very being is lemon. Likewise, Jesus is saying our actions, our 'fruit,' are the inevitable expression of our inner selves – our hearts, our core being. If our hearts are right with God, producing good fruit will be natural. If our hearts are far from Him, the 'fruit' will reflect that.
This means our outward actions aren't just isolated events; they are powerful indicators of what's truly going on inside us. We can't fake the fruit forever.
If our inner selves determine our outward fruit, how do we ensure we're producing the good fruit Jesus talks about? Is it something we can achieve on our own?
The imagery of the tree and fruit points to a crucial spiritual truth: genuine goodness doesn't originate from us; it originates from God. The commentators highlight that a 'good tree' is one that is fundamentally sound, and this soundness is ultimately a gift from God.
Our natural state, apart from God, is described as 'diseased' or 'corrupt.' We can't simply decide to be 'good' and produce lasting, genuine good fruit on our own. True righteousness, the kind that pleases God, is planted in us when God Himself 'grafts' us into Christ, the 'true vine' (John 15:1). He creates a new heart and cultivates spiritual life within us.
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This means our efforts to 'be good' without relying on God are like trying to get a dead branch to produce fruit. It’s impossible. Real spiritual fruit is the result of God's transforming work within us, allowing His life and nature to flow through us.
Understand the original words
agathos · Greek Adjective
Used metaphorically to describe a person's inner moral or spiritual condition. A healthy tree represents a person regenerated by God, producing righteous deeds.
sapros · Greek Adjective
Refers to moral or spiritual corruption. In this context, it describes the inner state of those who are spiritually dead or hypocritical, inevitably resulting in sinful conduct.
pyr · Greek Noun
A figure of speech for judgment, divine wrath, or the final destruction of the wicked. It represents the inevitable end of those who do not produce fruit consistent with repentance.
This passage directly parallels Matthew's teaching, stating that a good tree cannot produce bad fruit and a bad tree cannot produce good fruit, emphasizing the inherent nature of both the person and their actions.
Galatians 5:19-23This passage contrasts the 'works of the flesh' (bad fruit) with the 'fruit of the Spirit' (good fruit), showing the clear distinction between lives lived apart from God and lives transformed by Him.
1 Samuel 16:7While this verse focuses on God's perspective of looking at the heart, it connects to Matthew 7:17 by highlighting that true assessment comes from an inner reality, just as a tree's fruit reveals its inner health.
Jeremiah 17:9-10This Old Testament passage describes the deceitfulness of the human heart, explaining the 'diseased' root that produces 'bad fruit' in actions, echoing Jesus' metaphor.
barnesMatthew 7:17: "Even so every good tree bringeth forth good fruit; but a corrupt tree bringeth forth evil fruit."
A corrupt tree - The word "corrupt" here does not signify, as our translation would seem to indicate, that the tree "had been" good, but had become "vitiated;" but that it was a tree of a useless character, of a nature that produced nothing beneficial.
bensonMatthew 7:17: "Even so every good tree bringeth forth good fruit; but a corrupt tree bringeth forth evil fruit."
Matthew 7:17-20 . Even so — As grapes are not reaped from thorns, or figs from thistles, but the fruit will always be agreeable in its nature and kind to the tree that produces it; so every good tree bringeth forth good fruit — Scriptural doctrine, declared by holy men called of God to the work of the ministry, will certainly be more or less instrumental in turning men from the evil…
What's easy to miss here is that Jesus isn't just saying good trees produce good fruit; he's emphasizing that the fruit proves the tree's nature. A truly good tree cannot produce bad fruit, and a truly bad tree cannot produce good fruit. This isn't about perfection, but about an inherent, consistent character revealed by its outward actions.
Jesus has just warned his disciples about false prophets who appear harmless but are inwardly destructive. He emphasizes that their true nature, like that of wolves in sheep's clothing, will eventually be revealed by their actions. This verse explains that just as a tree's true character is known by its fruit, so too are people, especially those claiming spiritual authority, known by the "fruit" of their teachings and lives.
Jesus has just warned his disciples about false prophets who appear harmless but are inwardly destructive. He emphasizes that their true nature, like that of wolves in sheep's clothing, will eventually be revealed by their actions. This verse explains that just as a tree's true character is known by its fruit, so too are people, especially those claiming spiritual authority, known by the "fruit" of their teachings and lives.
"So, every healthy tree bears good fruit, but the diseased tree bears bad fruit. A healthy tree cannot bear bad fruit, nor can a diseased tree bear good fruit. Every tree that does not bear good fruit is cut down and thrown into the fire." — What's easy to miss here is that Jesus isn't just saying good trees produce good fruit; he's emphasizing that the fruit proves the tree's nature. A truly good tree cannot produce bad fruit, and a…
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Last reviewed October 2026
