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Commentary on Matthew 5 verses 13–16
Christ had lately called his disciples, and told them that they should be fishers of men; here he tells them further what he designed them to be - the salt of the earth, and lights of the world, that they might be indeed what it was expected they should be.
I. Ye are the salt of the earth. This would encourage and support them under their sufferings, that, though they should be treated with contempt, yet they should really be blessings to the world, and the more so for their suffering thus. The prophets, who went before them, were the salt of the land of Canaan; but the apostles were the salt of the whole earth, for they must go into all the world to preach the gospel. It was a discouragement to them that they were so few and so weak. What could they do in so large a province as the whole earth? Nothing, if they were to work by force of arms and dint of sword; but, being to work silent as salt, one handful of that salt would diffuse its savour far and wide; would go a great way, and work insensibly and irresistibly as leaven, Mat 13:33. The doctrine of the gospel is as salt; it is penetrating, quick, and powerful (Heb 4:12); it reaches the heart Act 2:37. It is cleansing, it is relishing, and preserves from putrefaction. We read of the savour of the knowledge of Christ (Co2 2:14); for all other learning is insipid without that. An everlasting covenant is called a covenant of salt (Num 18:19); and the gospel is an everlasting gospel. Salt was required in all the sacrifices (Lev 2:13), in Ezekiel's mystical temple, Eze 43:24. Now Christ's disciples having themselves learned the doctrine of the gospel, and being employed to teach it to others, were as salt. Note, Christians, and especially ministers, are the salt of the earth.
1.If they be as they should be they are as good salt, white, and small, and broken into many grains, but very useful and necessary. Pliny says, Sine sale, vita humana non potest degere - Without salt human life cannot be sustained. See in this, (1.) What they are to be in themselves - seasoned with the gospel, with the salt of grace; thoughts and affections, words and actions, all seasoned with grace, Col 4:6. Have salt in yourselves, else you cannot diffuse it among others, Mar 9:50. (2.) What they are to be to others; they must not only be good but do good, must insinuate themselves into the minds of the people, not to serve any secular interest of their own, but that they might transform them into the taste and relish of the gospel. (3.) What great blessings they are to the world. Mankind, lying in ignorance and wickedness, were a vast heap of unsavoury stuff, ready to putrefy; but Christ sent forth his disciples, by their lives and doctrines, to season it with knowledge and grace, and so to render it acceptable to God, to the angels, and to all that relish divine things. (4.) How they must expect to be disposed of. They must not be laid on a heap, must not continue always together at Jerusalem, but must be scattered as salt upon the meat, here a grain and there a grain; as the Levites were dispersed in Israel, that, wherever they live, they may communicate their savour. Some have observed, that whereas it is foolishly called an ill omen to have the salt fall towards us, it is really an ill omen to have the salt fall from us.
2.If they be not, they are as salt that has lost its savour. If you, who should season others, are yourselves unsavoury, void of spiritual life, relish, and vigour; if a Christian be so, especially if a minister be so, his condition is very sad; for, (1.) He is irrecoverable: Wherewith shall it be salted? Salt is a remedy for unsavoury meat, but there is no remedy for unsavoury salt. Christianity will give a man a relish; but if a man can take up and continue the profession of it, and yet remain flat and foolish, and graceless and insipid, no other doctrine, no other means, can be applied, to make him savoury. If Christianity do not do it, nothing will. (2.) He is unprofitable: It is thenceforth good for nothing; what use can it be put to, in which it will not do more hurt than good? As a man without reason, so is a Christian without grace. A wicked man is the worst of creatures; a wicked Christian is the worst of men; and a wicked minister is the worst of Christians. (3.) He is doomed to ruin and rejection; He shall be cast out - expelled the church and the communion of the faithful, to which he is a blot and a burden; and he shall be trodden under foot of men. Let God be glorified in the shame and rejection of those by whom he has been reproached, and who have made themselves fit for nothing but to be trampled upon.
II. Ye are the light of the world, Mat 5:14. This also bespeaks them useful, as the former (Sole et sale nihil utilius - Nothing more useful than the sun and salt), but more glorious. All Christians are light in the Lord (Eph 5:8), and must shine as lights (Phi 2:15), but ministers in a special manner. Christ call himself the Light of the world (Joh 8:12), and they are workers together with him, and have some of his honour put upon them. Truly the light is sweet, it is welcome; the light of the first day of the world was so, when it shone out of darkness; so is the morning light of every day; so is the gospel, and those that spread it, to all sensible people. The world sat in darkness, Christ raised up his disciples to shine in it; and, that they may do so, from him they borrow and derive their light.
This similitude is here explained in two things:
1.As the lights of the world, they are illustrious and conspicuous, and have many eyes upon them. A city that is set on a hill cannot be hid. The disciples of Christ, especially those who are forward and zealous in his service, become remarkable, and are taken notice of as beacons. They are for signs (Isa 7:18), men wondered at (Zac 3:8); all their neighbours have any eye upon them. Some admire them, commend them, rejoice in them, and study to imitate them; others envy them, hate them, censure them, and study to blast them. They are concerned therefore to walk circumspectly, because of their observers; they are as spectacles to the world, and must take heed of every thing that looks ill, because they are so much looked at. The disciples of Christ were obscure men before he called them, but the character he put upon them dignified them, and as preachers of the gospel they made a figure; and though they were reproached for it by some, they were respected for it by others, advanced to thrones, and made judges (Luk 22:30); for Christ will honour those that honour him.
2.As the lights of the world, they are intended to illuminate and give light to others (Mat 5:15), and therefore, (1.) They shall be set up as lights. Christ has lighted these candles, they shall not be put under a bushel, not confined always, as they are now, to the cities of Galilee, or the lost sheep of the house of Israel, but they shall be sent into all the world. The churches are the candlesticks, the golden candlesticks, in which these lights are placed, that they light may be diffused; and the gospel is so strong a light, and carries with it so much of its own evidence, that, like a city on a hill, it cannot be hid, it cannot but appear to be from God, to all those who do not wilfully shut their eyes against it. It will give light to all that are in the house, to all that will draw near to it, and come where it is. Those to whom it does not give light, must thank themselves; they will not be in the house with it; will not make a diligent and impartial enquiry into it, but are prejudiced against it. (2.) They must shine as lights, [1.] By their good preaching. The knowledge they have, they must communicate for the good of others; not put it under a bushel, but spread it. The talent must not be buried in a napkin, but traded with. The disciples of Christ must not muffle themselves up in privacy and obscurity, under pretence of contemplation, modesty, or self-preservation, but, as they have received the gift, must minister the same, Luk 12:3. [2.] By their good living. They must be burning and shining lights (Joh 5:35); must evidence, in their whole conversation, that they are indeed followers of Christ, Jam 3:13. They must be to others for instruction, direction, quickening, and comfort, Job 29:11.
See here, First, How our light must shine - by doing such good works as men may see, and may approve of; such works as are of good report among them that are without, and as will therefore give them cause to think well of Christianity. We must do good works that may be seen to the edification of others, but not that they may be seen to our own ostentation; we are bid to pray in secret, and what lies between God and our souls, must be kept to ourselves; but that which is of itself open and obvious to the sight of men, we must study to make congruous to our profession, and praiseworthy, Phi 4:8. Those about us must not only hear our good words, but see our good works; that they may be convinced that religion is more than a bare name, and that we do not only make a profession of it, but abide under the power of it.
Secondly, For what end our light must shine - "That those who see your good works may be brought, not to glorify you (which was the things the Pharisees aimed at, and it spoiled all their performances), but to glorify your Father which is in heaven." Note, The glory of God is the great thing we must aim at in every thing we do in religion, Pe1 4:11. In this centre the lines of all our actions must meet. We must not only endeavor to glorify God ourselves, but we must do all we can to bring others to glorify him. The sight of our good works will do this, by furnishing them, 1. With matter for praise. "Let them see your good works, that they may see the power of God's grace in you, and may thank him for it, and give him the glory of it, who has given such power unto men." 2. With motives of piety. "Let them see your good works, that they may be convinced of the truth and excellency of the Christian religion, may be provoked by a holy emulation to imitate your good works, and so may glorify God." Note, The holy, regular, and exemplary conversation of the saints, may do much towards the conversion of sinners; those who are unacquainted with religion, may hereby be brought to know what it is. Examples teach. And those who are prejudiced against it, may hereby by brought in love with it, and thus there is a winning virtue in a godly conversation.
He used Himself to tell them that a candle was not usually "pushed away under a bushel, but placed on a candlestick," in order to "give light to all who are in the house." These things the apostles either neglected, or failed to understand, if they fulfilled them not, by concealing any portion of the light, that is, of the word of God and the mystery of Christ.
For what purpose, except that malice may have no access at all to you, or that you may be an example and testimony to the evil? Else, what is (that): "Let your works shine? " Why, moreover, does the Lord call us the light of the world; why has He compared us to a city built upon a mountain; if we do not shine in (the midst of) darkness, and stand eminent amid them who are sunk down? If you hide your lamp beneath a bushel, you must necessarily be left quite in darkness, and be run against by many.
And Himself too, when He was making laws for His own disciples, what said He? "Do miracles, that men may see you"? By no means. But what? "Let your light shine before men, that they may see your good works, and glorify your Father which is in Heaven."
Neither do men light a candle and put it under the bushel, but on the candlestick, and it giveth light unto all that are in the house. Let your light so shine before men, that they may see your good works, and glorify your Father which is in Heaven.
For I, saith He, it is true, have kindled the light, but its continuing to burn, let that come of your diligence: not for your own sakes alone, but also for their sake, who are to profit by these rays, and to be guided unto the truth. Since the calumnies surely shall not be able to obscure your brightness, if you be still living a strict life, and as becomes those who are to convert the whole world. Show forth therefore a life worthy of His grace; that even as it is everywhere preached, so this light may everywhere accompany the same.
Next He sets before them another sort of gain, besides the salvation of mankind, enough to make them strive earnestly, and to lead them unto all diligence. As thus, Ye shall not only, saith He, amend the world, if ye live aright, but ye will also give occasion that God shall be glorified; even as if ye do the contrary, ye will both destroy men, and make God's name to be blasphemed.
And how, it may be asked, shall God be glorified through us, if at least men are to speak evil of us? Nay, not all men, and even they themselves who in envy do this, will in their conscience admire and approve you; even as the outward flatterers of such as live in wickedness do in mind accuse them.
What then? Dost thou command us to live for display and vain glory? Far from it; I say not this; for I did not say, Give ye diligence to bring forward your own good deeds, neither did I say, Show them; but Let your light shine. That is, Let your virtue be great, and the fire abundant, and the light unspeakable. For when virtue is so great, it cannot lie hid, though its pursuer shade it over ten thousand fold. Present unto them an irreprehensible life, and let them have no true occasion of evil speaking; and then, though there be thousands of evil-speakers, no man shall be able to cast any shade upon you. And well did He say, your light, for nothing makes a man so illustrious, how manifold soever his will to be concealed, as the manifestation of virtue. For as if he were clad with the very sunbeam, so he shines, yet brighter than it; not spending his rays on earth, but surmounting also Heaven itself.
Hence also He comforts them more abundantly. For, What though the slander pain you, saith He; yet shall ye have many to honor God on your account. And in both ways your recompence is gathering, as well because God is glorified through you, as because ye are defamed for God's sake. Thus, lest we should on purpose seek to be reproached, on hearing that there is a reward for it: first, He hath not expressed that sentiment simply, but with two limitations, namely, when what is said is false, and when it is for God's sake: and next He signifies how not that only, but also good report, hath its great profit, the glory of it passing on to God. And He holds out to them those gracious hopes. For, saith He, the calumny of the wicked avails not so much as to put all others in the dark, in respect of seeing your light. For then only when you have lost your savor shall they tread you under foot; but not when you are falsely accused, doing right. Yea, rather then shall there be many admiring, not you only, but for your sake your Father also. And He said not God, but your Father; already sowing beforehand the seeds of that noble birth, which was about to be bestowed upon them.
(Verset 14 et suiv.) You are the light of the world. A city set on a hill cannot be hidden. Nor do people light a lamp and put it under a basket, but on a stand, and it gives light to all in the house. In the same way, let your light shine before others, so that they may see your good works and give glory to your Father who is in heaven. It teaches the confidence in preaching, so that the apostles are not hidden out of fear, and are not like a lamp under a basket, but rather they freely reveal themselves, so that what they have heard in the inner rooms, they may proclaim on the housetops (Matthew 10:27).
So, what does the Savior mean by the “bucket” under which some people put the lamp? Here by “bucket” he means vice, and by “lamp,” virtue. People who intend to perform some illicit act walk in darkness, avoiding, if possible, the light.
What view are we to take? That the expression under a bushel measure is so used that only the concealment of the candle is to be understood, as if He were saying, No one lights a candle and conceals it? Or does the bushel measure also mean something, so that to place a candle under a bushel is this, to place the comforts of the body higher than the preaching of the truth; so that one does not preach the truth so long as he is afraid of suffering any annoyance in corporeal and temporal things? And it is well said a bushel measure, whether on account of the recompense of measure, for each one receives the things done in his body—that every one, says the apostle, may there receive the things done in his body; and it is said in another place, as if of this bushel measure of the body, For with what measure ye mete, it shall be measured to you again: — or because temporal good things, which are carried to completion in the body, are both begun and come to an end in a certain definite number of days, which is perhaps meant by the bushel measure; while eternal and spiritual things are confined within no such limit, for God gives not the Spirit by measure. Every one, therefore, who obscures and covers up the light of good doctrine by means of temporal comforts, places his candle under a bushel measure. But on a candlestick. Now it is placed on a candlestick by him who subordinates his body to the service of God, so that the preaching of the truth is the higher, and the serving of the body the lower; yet by means even of the service of the body the doctrine shines more conspicuously, inasmuch as it is insinuated into those who learn by means of bodily functions, i.e. by means of the voice and tongue, and the other movements of the body in good works. The apostle therefore puts his candle on a candlestick, when he says, So fight I, not as one that beats the air; but I keep under my body, and bring it into subjection, lest that by any means, when I preach to others, I myself should be found a castaway. When He says, however, that it may give light to all who are in the house, I am of opinion that it is the abode of men which is called a house, i.e. the world itself, on account of what He says before, You are the light of the world; or if any one chooses to understand the house as being the Church, this, too, is not out of place.
. Christ says, "It is I Who have kindled the light in you, but it is for you to labor zealously so that you do not extinguish that grace; in this way, the brightness of your life will shine upon others." He says, therefore:
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SUMMARY
Matthew 5:15, part of Jesus' foundational Sermon on the Mount, employs a vivid household analogy to elucidate the inherent purpose and public nature of a believer's life and good works. Just as a lamp is lit not to be concealed but to illuminate an entire house, so too are Christ's followers, as the "light of the world," intended to openly display their faith and righteous deeds, thereby bringing glory to God and guiding others. This verse underscores the divine design for Christian influence, emphasizing that spiritual light is meant for manifestation, not suppression.
CONTEXT
EXPOSITION AND ANALYSIS
Key Word Analysis
Verse Breakdown
Literary Devices
Jesus masterfully employs Analogy and Metaphor in this verse to convey a profound spiritual truth through a simple, everyday scenario. The lit lamp serves as an Analogy for the believer's life, and the light it emits is a Metaphor for their good works, character, and testimony. The lampstand represents the appropriate public display of faith, while the bushel symbolizes anything that would obscure or suppress this spiritual light. The entire statement functions as a Rhetorical Question (implied by the "Neither... but..." construction), highlighting the self-evident absurdity of hiding a light, thereby emphasizing the equally illogical nature of a Christian concealing their faith. The vivid imagery creates a memorable and universally understandable teaching.
THEOLOGICAL AND THEMATIC CONNECTIONS
Matthew 5:15 profoundly connects to the broader biblical themes of witness, God's glory, and the inherent nature of light as a symbol of truth and revelation. Just as God's very being is light (1 John 1:5), He calls His people to reflect His character and truth into a dark world. The act of "giving light" is not merely a human endeavor but a participation in God's redemptive work, making His presence and principles known. To hide this light would be to deny God's purpose for His redeemed community and to deprive the world of the very illumination it desperately needs. This verse underscores the missional imperative inherent in being a follower of Christ: our transformed lives are meant to be a beacon, drawing others to the source of all light.
REFLECTION AND APPLICATION
Matthew 5:15 is a powerful call to authentic, visible Christian living. It challenges us to consider whether our faith is truly shining forth or if we are, perhaps inadvertently, placing it "under a bushel" due to fear, apathy, or a desire to conform to worldly standards. Our good works, our integrity, our compassion, and our verbal testimony are all facets of the light we are called to emit. This light is not for our own commendation, but so that others might see God's transforming power at work in us and be drawn to Him. It encourages us to identify the "bushels" in our own lives—whether it's fear of judgment, pursuit of comfort, or a lack of intentionality—and to actively remove them, allowing our lives to be clear, unhindered expressions of God's grace and truth in every sphere of influence, from our homes to our workplaces and communities.
Questions for Reflection
FAQ
What does Jesus mean by "candle" and "bushel" in this verse?
Answer: In Matthew 5:15, Jesus uses these common household items as an analogy. The "candle" (Greek: lychnos) refers to an oil lamp, the primary source of artificial light in ancient homes. It represents the spiritual light that believers possess through their relationship with Christ—their transformed character, good deeds, and testimony. The "bushel" (Greek: modios) was a standard dry measuring container, typically holding a significant amount of grain. Placing a lit lamp under such a container would be illogical and counterproductive, as it would hide the light and likely extinguish the flame. It symbolizes anything that would obscure or suppress a believer's spiritual influence, such as fear, apathy, self-consciousness, or a desire to blend in with the world.
Why is it important for a Christian's light to be seen?
Answer: Jesus emphasizes that a Christian's light must be seen because its purpose is to illuminate and influence. Just as a physical lamp is lit to provide light for everyone in the house, a believer's spiritual light is meant to benefit and guide others. As Matthew 5:16 clarifies, the ultimate goal is not self-glorification, but that others "may see your good works and glorify your Father in heaven." Our visible faith and righteous living serve as a testimony to God's transforming power, drawing others to Him, revealing truth, and dispelling spiritual darkness in the world. Hiding this light would contradict God's divine purpose for His people and deprive the world of necessary spiritual illumination.
CHRIST-CENTERED FULFILLMENT
Matthew 5:15 finds its ultimate fulfillment and meaning in Christ Himself. Jesus is not merely instructing His followers to be light, but He is declaring that they are light because they are connected to Him, the source of all light. He unequivocally proclaimed, "I am the light of the world. Whoever follows me will not walk in darkness, but will have the light of life." Before believers can shine, they must first receive light from Him. The "light" that believers possess and are called to display is, therefore, a reflection of Christ's own radiant truth, holiness, and love. Our "good works" are not merely moral deeds but are the overflow of Christ's life working through us, making His invisible Kingdom visible. Thus, when we place our "lamp on a candlestick," we are not shining our own glory, but rather, we are allowing the glory of the "light of the knowledge of the glory of God in the face of Jesus Christ" to radiate through us, illuminating the spiritual darkness and drawing all people to the true Light who "gives light to everyone."