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Commentary on Luke 6 verses 37–49
All these sayings of Christ we had before in Matthew; some of them in ch. 7, others in other places. They were sayings that Christ often used; they needed only to be mentioned, it was easy to apply them. Grotius thinks that we need not be critical here in seeking for the coherence: they are golden sentences, like Solomon's proverbs or parables. Let us observe here,
I. We ought to be very candid in our censures of others, because we need grains of allowance ourselves: "Therefore judge not others, because then you yourselves shall not be judged; therefore condemn not others, because then you yourselves shall not be condemned, Luk 6:37. Exercise towards others that charity which thinks no evil, which bears all things, believes and hopes all things; and then others will exercise that charity towards you. God will not judge and condemn you, men will not." They that are merciful to other people's names shall find others merciful to theirs.
II. If we are of a giving and a forgiving spirit, we shall ourselves reap the benefit of it: Forgive and you shall be forgiven. If we forgive the injuries done to us by others, others will forgive our inadvertencies. If we forgive others' trespasses against us, God will forgive our trespasses against him. And he will be no less mindful of the liberal that devise liberal things (Luk 6:38): Give, and it shall be given to you. God, in his providence, will recompense it to you; it is lent to him, and he is not unrighteous to forget it (Heb 6:10), but he will pay it again. Men shall return it into your bosom; for God often makes use of men as instruments, not only of his avenging, but of his rewarding justice. If we in a right manner give to others when they need, God will incline the hearts of others to give to us when we need, and to give liberally, good measure pressed down and shaken together. They that sow plentifully shall reap plentifully. Whom God recompenses he recompenses abundantly.
III. We must expect to be dealt with ourselves as we deal with others: With the same measure that ye mete it shall be measured to you again. Those that deal hardly with others must acknowledge, as Adoni-bezek did (Jdg 1:7), that God is righteous, if others deal hardly with them, and they may expect to be paid in their own coin; but they that deal kindly with others have reason to hope that, when they have occasion, God will raise them up friends who will deal kindly with them. Though Providence does not always go by this rule, because the full and exact retributions are reserved for another world, yet, ordinarily, it observes a proportion sufficient to deter us from all acts of rigour and to encourage us in all acts of beneficence.
IV. Those who put themselves under the guidance of the ignorant and erroneous are likely to perish with them (Luk 6:39): Can the blind lead the blind? Can the Pharisees, who are blinded with pride, prejudice, and bigotry, lead the blind people into the right way? Shall not both fall together into the ditch? How can they expect any other? Those that are led by the common opinion, course, and custom, of this world, are themselves blind, and are led by the blind, and will perish with the world that sits in darkness. Those that ignorantly, and at a venture, follow the multitude to do evil, follow the blind in the broad way that leads the many to destruction.
V. Christ's followers cannot expect better treatment in the world than their Master had, Luk 6:40. Let them not promise themselves more honour or pleasure in the world than Christ had, nor aim at the worldly pomp and grandeur which he was never ambitious of, but always declined, nor affect that power in secular things which he would not assume; but every one that would show himself perfect, an established disciple, let him be as his Master - dead to the world, and every thing in it, as his Master is; let him live a life of labour and self-denial as his Master doth, and make himself a servant of all; let him stoop, and let him toil, and do all the good he can, and then he will be a complete disciple.
VI. Those who take upon them to rebuke and reform others are concerned to look to it that they be themselves blameless, and harmless, and without rebuke, Luk 6:41, Luk 6:42. 1. Those with a very ill grace censure the faults of others who are not aware of their own faults. It is very absurd for any to pretend to be so quick-sighted as to spy small faults in others, like a mote in the eye, when they are themselves so perfectly past feeling as not to perceive a beam in their own eye. 2. Those are altogether unfit to help to reform others whose reforming charity does not begin at home. How canst thou offer thy service to thy brother, to pull out the mote from his eye, which requires a good eye as well as a good hand, when thou thyself hast a beam in thine own eye, and makest no complaint of it? 3. Those therefore who would be serviceable to the souls of others must first make it appear that they are solicitous about their own souls. To help to pull the mote out of our brother's eye is a good work, but then we must qualify ourselves for it by beginning with ourselves; and our reforming our own lives may, by the influence of example, contribute to others reforming theirs.
VII. We may expect that men's words and actions will be according as they are, according as their hearts are, and according as their principles are.
1.The heart is the tree, and the words and actions are fruit according to the nature of the tree, Luk 6:43, Luk 6:44. If a man be really a good man, if he have a principle of grace in his heart, and the prevailing bent and bias of the soul be towards God and heaven, though perhaps he may not abound in fruit, though some of his fruits be blasted, and though he may be sometimes like a tree in winter, yet he does not bring forth corrupt fruit; though he may not do you all the good he should, yet he will not in any material instance do you hurt. If he cannot reform ill manners, he will not corrupt good manners. If the fruit that a man brings forth be corrupt, if a man's devotion tend to debauch the mind and conversation, if a man's conversation be vicious, if he be a drunkard or fornicator, if he be a swearer or liar, if he be in any instance unjust or unnatural, his fruit is corrupt, and you may be sure that he is not a good tree. On the other hand, a corrupt tree doth not bring forth good fruit, though it may bring forth green leaves; for of thorns men do not gather figs, nor of a bramble do they gather grapes. You may, if you please, stick figs upon thorns, and hang a bunch of grapes upon a bramble, but they neither are, nor can be, the natural product of the trees; so neither can you expect any good conduct from those who have justly a bad character. If the fruit be good, you may conclude that the tree is so; if the conversation be holy, heavenly, and regular, though you cannot infallibly know the heart, yet you may charitably hope that it is upright with God; for every tree is known by its fruit. But the vile person will speak villany (Isa 32:6), and the experience of the moderns herein agrees with the proverb of the ancients, that wickedness proceedeth from the wicked, Sa1 24:13.
2.The heart is the treasure, and the words and actions are the expenses or produce from that treasure, Luk 6:45. This we had, Mat 12:34, Mat 12:35. The reigning love of God and Christ in the heart denominates a man a good man; and it is a good treasure a man may bring forth that which is good. But where the love of the world and the flesh reign there is an evil treasure in the heart, out of which an evil man is continually bringing forth that which is evil; and by what is brought forth you may know what is in the heart, as you may know what is in the vessel, water or wine, by what is drawn out from it, Joh 2:8. Of the abundance of the heart the mouth speaks; what the mouth ordinarily speaks, speaks with relish and delight, generally agrees with what is innermost and uppermost in the heart: He that speaks of the earth is earthly, Joh 3:31. Not but that a good man may possibly drop a bad word, and a wicked man make use of a good word to serve a bad turn; but, for the most part, the heart is as the words are, vain or serious; it therefore concerns us to get our hearts filled, not only with good, but with abundance of it.
VIII. It is not enough to hear the sayings of Christ, but we must do them; not enough to profess relation to him, as his servants, but we must make conscience of obeying him.
1.It is putting an affront upon him to call him Lord, Lord, as if we were wholly at his command, and had devoted ourselves to his service, if we do not make conscience of conforming to his will and serving the interests of his kingdom. We do but mock Christ, as they that in scorn said, Hail, King of the Jews, if we call him ever so often Lord, Lord, and yet walk in the way of our own hearts and in the sight of our own eyes. Why do we call him Lord, Lord, in prayer (compare Mat 7:21, Mat 7:22), if we do not obey his commands? He that turns away his ear from hearing the law, his prayer shall be an abomination.
2.It is putting a cheat upon ourselves if we think that a bare profession of religion will save us, that hearing the sayings of Christ will bring us to heaven, without doing them. This he illustrates by a similitude (Luk 6:47-49), which shows,
(1.)That those only make sure work for their souls and eternity, and take the course that will stand them in stead in a trying time, who do not only come to Christ as his scholars, and hear his sayings but do them, who think, and speak, and act, in every thing according to the established rules of his holy religion. They are like a house built on a rock. These are they that take pains in religion, as they do, - that dig deep, that found their hope upon Christ, who is the Rock of ages (and other foundation can no man lay); these are they who provide for hereafter, who get ready for the worst, who lay up in store a good foundation for the time to come, for the eternity to come, Ti1 6:19. They who do thus do well for themselves; for, [1.] They shall keep their integrity, in times of temptation and persecution; when others fall from their own stedfastness, as the seed on the stony ground, they shall stand fast in the Lord. [2.] They shall keep their comfort, and peace, and hope, and joy, in the midst of the greatest distresses. The storms and streams of affliction shall not shock them, for their feet are set upon a rock, a rock higher than they. [3.] Their everlasting welfare is secured. In death and judgment they are safe. Obedient believers are kept by the power of Christ, through faith, unto salvation, and shall never perish.
(2.)That those who rest in a bare hearing of the sayings of Christ, and do not live up to them, are but preparing for a fatal disappointment: He that heareth and doeth not (that knows his duty, but lives in the neglect of it), he is like a man that built a house without a foundation. He pleases himself with hopes that he has no ground for, and his hopes will fail him when he most needs the comfort of them, and when he expects the crowning of them; when the stream beats vehemently upon his house, it is gone, the sand it is built upon is washed away, and immediately it falls, Such is the hope of the hypocrite, though he has gained, when God takes away his soul; it is as the spider's web, and the giving up of the ghost.
For the saying, "It is not a good tree which produces corrupt fruit, nor a corrupt tree which produces good fruit"
(The heretics whom we have referred to) deny that nature is susceptible of any change, in order that they may be able to establish and settle their threefold theory, or "trinity," in all its characteristics as to the several natures, because "a good tree cannot produce evil fruit, nor a corrupt tree good fruit; and nobody gathers figs of thorns, nor grapes of brambles." If so, then "God will not be able any longer to raise up from the stones children unto Abraham; nor to make a generation of vipers bring forth fruits of repentance.
The unhappy man gained the first idea of his conceit from the simple passage of our Lord's saying, which has reference to human beings and not divine ones, wherein He disposes of those examples of a good tree and a corrupt one; how that "the good tree bringeth not forth corrupt fruit, neither the corrupt tree good fruit.
"The good tree" is the Holy Spirit. The "bad tree" is the devil and his underlings. The person who has the Holy Spirit manifests the fruits of the Spirit, which the apostle describes when he says, "The fruit of the Spirit is love, joy, peace, patience, kindness, goodness, faith, gentleness, self-control." The one who has the opposing power brings forth briars and thistles, the passions of dishonor.
But take not these words to thyself as an encouragement to idleness, for the tree is moved conformably to its nature, but thou hast the exercise of free will; and every barren tree has been ordained for some good, but thou wert created unto the good work of virtue.
But take not these words to thyself as an encouragement to idleness, for the tree is moved conformably to its nature but you have the exercise of free will; and every barren tree has been ordained for some good, but you were created to the good work of virtue.
(Hom. 9, in Hexameron.) In truth, self knowledge seems the most important of all. For not only the eye, looking at outward things, fails to exercise its sight upon itself, but our understanding also, though very quick in apprehending the sin of another, is slow to perceive its own defects.
The quality of the words shows the heart from which they proceed, plainly manifesting the inclination of our thoughts. Hence it follows, For out of the abundance of the heart the mouth speaketh.
On the thorns of this world the fig cannot be found, which as being better in its second fruit, is well fitted to be a similitude of the resurrection. Either because, as you read, The fig trees have put forth their green figs, (Cant. 2:13.) that is, the unripe and worthless fruit came first in the Synagogue. Or because our life is imperfect in the flesh, perfect in the resurrection, and therefore we ought to cast far from us worldly cares, which eat into the mind and scorch up the soul, that by diligent culture we may obtain the perfect fruits. This therefore has reference to the world and the resurrection, the next to the soul and the body, as it follows, Nor of a bramble bush gather they grapes. Either because no one living in sin obtains fruit to his soul, which like the grape nearest the ground is rotten, on the higher branches becomes ripe. Or because no one can escape the condemnations of the flesh, but he whom Christ has redeemed, Who as a grape hung on the tree.
(Hom. 42. in Matt.) But although the fruit is caused by the tree, yet it brings to us the knowledge of the tree, because the distinctive nature of the tree is made evident by the fruit, as it follows, For every tree is known by its fruit.
(Hom. 42. in Matt.) For it is a natural consequence when wickedness abounds within, that wicked words are breathed as far as the mouth; and therefore when you hear of a man uttering abominable things, do not suppose that there lies only so much wickedness in him as is expressed in his words, but believe the fountain to be more copious than the stream.
See again, Christ commands that those who come to us must be distinguished not by their clothing but by what they really are. "By its fruit," he says, "the tree is known." It is ignorance and folly for us to expect to find the choicer kinds of fruits on thorns, grapes for instance, and figs. So it is ridiculous for us to imagine that we can find in hypocrites and the profane anything that is admirable, such as the nobleness of virtue.
Each man's life also will be a criterion of his character. For not by extrinsic ornaments and pretended humility is the beauty of true happiness discovered, but by those things which a man does; of which he gives an illustration, adding, For of thorns men do not gather figs.
(lib. iv. ep. 81.) He does not then exclude repentance, but a continuance in evil, which as long as it is evil cannot bring forth good fruit, but being converted to virtue, will yield abundance. But what nature is to the tree, our affections are to us. If then a corrupt tree cannot bring forth good fruit, how shall a corrupt heart?
He does not then exclude repentance, but a continuance in evil, which aslong as it is evil cannot bring forth good fruit, but being converted to virtue, will yield abundance. But what nature is to the tree, our affections are to us. If then a corrupt tree cannot bring forth good fruit, how shall a corrupt heart?
“Every tree which does not bear fruit will be cut down and cast into the fire.” He is referring to human beings as trees and to their works as the fruit. Do you want to know which are the bad trees and what are the bad fruits? The apostle teaches us this. He says, “The works of the flesh are manifest: they are fornication, impurity, self-indulgence, idolatry, sorcery, malice, strife, jealousy, anger, quarrels, conflict, factions, envy, murder, drunkenness, carousing, and things of this sort.” Do you want to hear whether trees which bring forth fruits such as these belong in the heavenly temple of the eternal King? The apostle continues: “I warn you, as I warned you before, that those who do such things will not attain the kingdom of God.” He subsequently lists the fruits of a good tree. He says, “The fruit, however, of the Spirit is charity, joy, peace, patience, goodness, kindness, faith, gentleness, self-control.”
“The good man produces good from the good treasure in his heart, and the evil man produces evil from the evil treasure.” The treasure in one’s heart is the intention of the thought, from which the Searcher of hearts judges the outcome.…Christ subsequently adds force to his pronouncement by clearly showing that good speech without the additional attestation of deeds is of no advantage at all. He asks, “And why do you call me, ‘Lord, Lord,’ and not do what I say?” To call upon the Lord seems to be the gift of a good treasure, the fruit of a good tree. “For everyone who calls upon the name of the Lord will be saved.” If anyone who calls upon the name of the Lord resists the Lord’s commands by living perversely, it is evident that the good that the tongue has spoken has not been brought out of the good treasure in his heart. It was not the root of a fig tree but that of a thorn bush that produced the fruit of such a confession—a conscience, that is, bristling with vices, and not one filled with the sweetness of the love of the Lord.
Our Lord continues the words which He had begun against the hypocrites, saying, For a good tree bringeth not forth corrupt fruit; i. e. as if He says, If thou wouldest have a true and unfeigned righteousness, what thou settest forth in words make up also in works, for the hypocrite though he pretends to be good is not good, who doeth evil works; and the innocent though he be blamed, is not therefore evil, who doeth good works.
Or, I think the thorns and bramble are the cares of the world and the prickings of sin, but the figs and the grapes are the sweetness of a new life and the warmth of love, but the fig is not gathered from the thorns nor the grape from the bramble, because the mind still debased by the habits of the old man may pretend to, but cannot bring forth the fruits of the new man. But we must know, that as the fruitful palm tree is inclosed and supported by a hedge, and the thorn bearing fruit not its own, preserves it for the use of man, so the words and acts of the wicked wherein they serve the good are not done by the wicked themselves, but by the wisdom of God working upon them.
The treasure of the heart is the same as the root of the tree. He therefore who has in his heart the treasure of patience and perfect love, brings forth the best fruits, loving his enemy, and doing the other things which have been taught above. But he who keeps a bad treasure in his heart does the contrary to this.
By the speaking of the mouth the Lord signifies all things, which by word, or deed, or thought, we bring forth from the heart. For it is the manner of the Scripture to put words for deeds.
For a good tree does not produce bad fruit; nor does a bad tree produce good fruit. He continues against the hypocrite he began with. If you want, he says, to have true and not feigned righteousness, what you show in words also care to compensate with deeds, that being a good tree, you may be adorned with good fruits. For even if the hypocrite pretends, he is not good who does bad deeds. And if he reprehends the innocent, he is not therefore evil who does good deeds.
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SUMMARY
Luke 6:43 presents a foundational teaching from Jesus, employing a vivid agricultural metaphor to illustrate the inseparable connection between one's inner character and outward conduct. It asserts that just as a tree's inherent nature determines the quality of its fruit, so too a person's true spiritual disposition will inevitably manifest in their actions, words, and overall life, making authenticity and integrity paramount.
CONTEXT
EXPOSITION AND ANALYSIS
Key Word Analysis
Verse Breakdown
Literary Devices
The primary literary device employed in Luke 6:43 is Metaphor. Jesus uses the familiar agricultural reality of a tree and its fruit to represent the abstract spiritual truth about a person's character and their actions. The tree stands metaphorically for the inner person, their heart, and their spiritual condition, while the fruit symbolizes their outward conduct, words, and the tangible results of their life. This metaphor makes a profound theological concept accessible and memorable. Additionally, Contrast is evident in the juxtaposition of "good tree" with "corrupt fruit" and "corrupt tree" with "good fruit," highlighting the impossibility of such contradictory outcomes. This sharp contrast emphasizes the absolute nature of the principle being taught. Finally, the verse exhibits Parallelism through its balanced structure, presenting two antithetical statements that reinforce the same core idea from opposing angles, thereby strengthening the impact and clarity of the teaching.
THEOLOGICAL AND THEMATIC CONNECTIONS
The theological weight of Luke 6:43 lies in its profound statement about the source of human action and the nature of spiritual authenticity. It teaches that true righteousness is not merely external conformity but stems from an internal transformation of the heart. Our actions are not isolated incidents but organic expressions of who we truly are. This verse challenges any superficial understanding of faith, asserting that genuine discipleship must manifest in a life that consistently bears "good fruit," reflecting a heart renewed by God. It also provides a divine principle for discernment, allowing believers to evaluate the authenticity of others, not by judging their motives (which only God can do), but by observing the consistent pattern of their "fruit."
REFLECTION AND APPLICATION
Luke 6:43 serves as a powerful call to both introspective self-examination and discerning observation of the world around us. For the believer, it prompts a vital question: What kind of fruit am I producing? Are my actions, words, and character consistently reflecting the transforming power of Christ within me, or do they betray a heart that is still "corrupt" in areas? This verse challenges us to move beyond mere outward religiosity to cultivate a genuine inner life rooted in Christ, understanding that true change begins in the heart and naturally flows outward. It encourages us to prioritize spiritual formation over superficial performance, recognizing that a truly "good tree" is cultivated through abiding in the True Vine. In our interactions with others, while we are strictly commanded not to judge motives or condemn, this principle offers a framework for wise discernment, especially concerning those who claim spiritual authority or allegiance to Christ. The consistent pattern of their lives – their "fruit" – becomes the most reliable indicator of their true spiritual standing, allowing us to identify genuine faith and expose hypocrisy, not for condemnation, but for the protection of the flock and the integrity of the gospel.
Questions for Reflection
FAQ
Does "corrupt fruit" mean someone is not a Christian?
Answer: Not necessarily in every isolated instance, but it points to a fundamental issue with the "tree" or the inner character. Jesus' teaching here is about consistency and the nature of the source. While Christians can and do sin, producing "bad fruit" at times, the overall trajectory and consistent pattern of a genuinely "good tree" (a true believer) will be one of producing "good fruit" through the work of the Holy Spirit (e.g., Galatians 5:22-23). A "corrupt tree" implies a nature that is fundamentally opposed to God or is unregenerate, and therefore cannot consistently produce truly good fruit. It's about the inherent nature and consistent output, not an occasional lapse.
How does this teaching relate to Jesus' command not to judge others in Luke 6:37?
Answer: This verse, Luke 6:43, does not contradict the command not to judge (Luke 6:37). Instead, it provides a means of discernment. Jesus forbids a judgmental, condemning spirit that seeks to find fault or usurp God's role as ultimate judge. However, He also equips His followers to wisely discern the authenticity of others, especially those claiming spiritual authority, by observing their consistent "fruit" (see also Matthew 7:15-20). This is not judging motives, but evaluating demonstrable patterns of behavior and their alignment with God's character. It's about recognizing what kind of tree someone is by the fruit they consistently bear, allowing for wise choices in relationships and leadership, rather than condemning their eternal state.
CHRIST-CENTERED FULFILLMENT
Luke 6:43 finds its ultimate fulfillment and deepest meaning in Christ Himself. Jesus is the perfect "good tree" who consistently bore "good fruit" throughout His earthly ministry. He is the only one whose inner character was perfectly aligned with God's will, and whose every action, word, and deed perfectly reflected that divine nature. His life was the embodiment of the "good fruit" of love, righteousness, and truth. Furthermore, Jesus reveals Himself as the True Vine in John 15, declaring that His disciples are branches who must abide in Him to bear "much fruit." This highlights that while we are called to bear good fruit, our ability to do so does not originate from our own inherent goodness but from our vital union with Christ. He is the source of all spiritual life and the power by which we can produce fruit pleasing to God. Our transformation from "corrupt trees" (due to our fallen nature, as described in Romans 3:10-12) into "good trees" capable of bearing "good fruit" is entirely a work of His grace, through His atoning sacrifice and the indwelling Holy Spirit (Romans 8:9-11). Thus, Luke 6:43 points us to Christ as the standard, the enabler, and the very life-source of all true spiritual fruit.