TRV
Study This Verse
Public-domain commentary
Matthew Henry
From his Commentary on the Whole Bible. Henry comments on passages, not single verses — this entry covers Jeremiah 17:5–11. His three-level outline is real structure in the source text, so it is rendered as structure.
It is excellent doctrine that is preached in these verses, and of general concern and use to us all, and it does not appear to have any particular reference to the present state of Judah and Jerusalem. The prophet's sermons were not all prophetical, but some of them practical; yet this discourse, which probably we have here only the heads of, would be of singular use to them by way of caution not to misplace their confidence in the day of their distress. Let us all learn what we are taught here,
I.Concerning the disappointment and vexation those will certainly meet with who depend upon creatures for success and relief when they are in trouble (Jer 17:5, Jer 17:6): Cursed be the man that trusts in man. God pronounces him cursed for the affront he thereby puts upon him. Or, Cursed (that is, miserable) is the man that does so, for he leans upon a broken reed, which will not only fail him, but will run into his hand and pierce it. Observe, 1. The sin here condemned; it is trusting in man, putting that confidence in the wisdom and power, the kindness and faithfulness, of men, which should be placed in those attributes of God only, making our applications to men and raising our expectations from them as principal agents, whereas they are but instruments in the hand of Providence. It is making flesh the arm we stay upon, the arm we work with and with which we hope to work our point, the arm under which we shelter ourselves and on which we depend for protection. God is his people's arm, Isa 32:2. We must not think to make any creature to be that to us which God has undertaken to be. Man is called flesh, to show the folly of those that make him their confidence; he is flesh, weak and feeble as flesh without bones or sinews, that has no strength at all in it; he is inactive as flesh without spirit, which is a dead thing; he is mortal and dying as flesh, which soon putrefies and corrupts, and is continually wasting. Nay, he is false and sinful, and has lost his integrity; so his being flesh signifies, Gen 6:3. The great malignity there is in this sin; it is the departure of the evil heart of unbelief from the living God. Those that trust in man perhaps draw nigh to God with their mouth and honour him with their lips, they call him their hope and say that they trust in him, but really their heart departs from him; they distrust him, despise him, and decline a correspondence with him. Cleaving to the cistern is leaving the fountain, and is resented accordingly. 3. The fatal consequences of this sin. He that puts a confidence in man puts a cheat upon himself; for (Jer 17:6) he shall be like the heath in the desert, a sorry shrub, the product of barren ground, sapless, useless, and worthless; his comforts shall all fail him and his hopes be blasted; he shall wither, be dejected in himself and trampled on by all about him. When good comes he shall not see it, he shall not share in it; when the times mend they shall not mend with him, but he shall inhabit the parched places in the wilderness; his expectation shall be continually frustrated; when others have a harvest he shall have none. Those that trust to their own righteousness and strength, and think they can do well enough without the merit and grace of Christ, thus make flesh their arm, and their souls cannot prosper in graces or comforts; they can neither produce the fruits of acceptable services to God nor reap the fruits of saving blessings from him; they dwell in a dry land.
II.Concerning the abundant satisfaction which those have, and will have, who make God their confidence, who live by faith in his providence and promise, who refer themselves to him and his guidance at all times and repose themselves in him and his love in the most unquiet times, Jer 17:7, Jer 17:8. Observe,
1.The duty required of us - to trust in the Lord, to do our duty to him and then depend upon him to bear us out in doing it - when creatures and second causes either deceive or threaten us, either are false to us or fierce against us, to commit ourselves to God as all-sufficient both to fill up the place of those who fail us and to protect us from those who set upon us. It is to make the Lord our hope, his favour the good we hope for and his power the strength we hope in.
2.The comfort that attends the doing of this duty. He that does so shall be as a tree planted by the waters, a choice tree, about which great care has been taken to set it in the best soil, so far from being like the heath in the wilderness; he shall be like a tree that spreads out its roots, and thereby is firmly fixed, spreads them out by the rivers, whence it draws abundance of sap, which denotes both the establishment and the comfort which those have who make God their hope; they are easy, they are pleasant, and enjoy a continual security and serenity of mind. A tree thus planted, thus watered, shall not see when heat comes, shall not sustain any damage from the most scorching heats of summer; it is so well moistened from its roots that it shall be sufficiently guarded against drought. Those that make God their hope,
(1.)They shall flourish in credit and comfort, like a tree that is always green, whose leaf does not wither; they shall be cheerful to themselves and beautiful in the eyes of others. Those who thus give honour to God by giving him credit God will put honour upon, and make them the ornament and delight of the places where they live, as green trees are.
(2.)They shall be fixed in an inward peace and satisfaction: They shall not be careful in a year of drought, when there is want of rain; for, as the tree has seed in itself, so it has its moisture. Those who make God their hope have enough in him to make up the want of all creature-comforts. We need not be solicitous about the breaking of a cistern as long as we have the fountain.
(3.)They shall be fruitful in holiness, and in all good works. Those who trust in God, and by faith derive strength and grace from him, shall not cease from yielding fruit; they shall still be enabled to do that which will redound to the glory of God, the benefit of others, and their own account.
III.Concerning the sinfulness of man's heart, and the divine inspection it is always under, Jer 17:9, Jer 17:10.
It is folly to trust in man, for he is not only frail, but false and deceitful. We are apt to think that we trust in God, and are entitled to the blessings here promised to those who do so. But this is a thing about which our own hearts deceive us as much as any thing. We think that we trust in God when really we do not, as appears by this, that our hopes and fears rise or fall according as second causes smile or frown.
1.It is true in general.
(1.)There is that wickedness in our hearts which we ourselves are not aware of and do not suspect to be there; nay, it is a common mistake among the children of men to think themselves, their own hearts at least, a great deal better than they really are. The heart, the conscience of man, in his corrupt and fallen state, is deceitful above all things. It is subtle and false; it is apt to supplant (so the word properly signifies); it is that from which Jacob had his name, a supplanter. It calls evil good and good evil, puts false colours upon things, and cries peace to those to whom peace does not belong. When men say in their hearts (that is, suffer their hearts to whisper to them) that there is no God, or he does not see, or he will not require, or they shall have peace though they go on; in these, and a thousand similar suggestions the heart is deceitful. It cheats men into their own ruin; and this will be the aggravation of it, that they are self-deceivers, self-destroyers. Herein the heart is desperately wicked; it is deadly, it is desperate. The case is bad indeed, and in a manner deplorable and past relief, if the conscience which should rectify the errors of the other faculties is itself a mother of falsehood and a ring-leader in the delusion. What will become of a man if that in him which should be the candle of the Lord give a false light, if God's deputy in the soul, that is entrusted to support his interests, betrays them? Such is the deceitfulness of the heart that we may truly say, Who can know it? Who can describe how bad the heart is? We cannot know our own hearts, not what they will do in an hour of temptation (Hezekiah did not, Peter did not), not what corrupt dispositions there are in them, nor in how many things they have turned aside; who can understand his errors? Much less can we know the hearts of others, or have any dependence upon them. But,
(2.)Whatever wickedness there is in the heart God sees it, and knows it, is perfectly acquainted with it and apprised of it: I the Lord search the heart. This is true of all that is in the heart, all the thoughts of it, the quickest, and those that are most carelessly overlooked by ourselves - all the intents of it, the closest, and those that are most artfully disguised, and industriously concealed from others. Men may be imposed upon, but God cannot. He not only searches the heart with a piercing eye, but he tries the reins, to pass a judgment upon what he discovers, to give every thing its true character and due weight. He tries it, as the gold is tried whether it be standard or no, as the prisoner is tried whether he be guilty or no. And this judgment which he makes of the heart is in order to his passing judgment upon the man; it is to give to every man according to his ways (according to the desert and the tendency of them, life to those that walked in the ways of life, and death to those that persisted in the paths of the destroyer) and according to the fruit of his doings, the effect and influence his doings have had upon others, or according to what is settled by the word of God to be the fruit of men's doings, blessings to the obedient and curses to the disobedient. Note, Therefore God is Judge himself, and he alone, because he, and none besides, knows the hearts of the children of men.
2.It is true especially of all the deceitfulness and wickedness of the heart, all its corrupt devices, desires, and designs. God observes and discerns them; and (which is more than any man can do) he judges of the overt act by the heart. Note, God knows more evil of us than we do of ourselves, which is a good reason why we should not flatter ourselves, but always stand in awe of the judgment of God.
IV.Concerning the curse that attends wealth unjustly gotten.
Fraud and violence had been reigning crying sins in Judah and Jerusalem; now the prophet would have those who had been guilty of these sins, and were now stripped of all they had, to read their sin in their punishment (Jer 17:11): He that gets riches and not by right, though he may make them his hope, shall never have joy of them. Observe, It is possible that those who use unlawful means to get wealth may succeed therein and prosper for a time; and it is a temptation to many to defraud and oppress their neighbours when there is money to be got by it. He who has got treasures by vanity and a lying tongue may hug himself in his success, and say, I am rich; nay, and I am innocent too (Hos 12:8), but he shall leave them in the midst of his days; they shall be taken from him, or he from them; God shall cut him off with some surprising stroke then when he says, Soul, take thy ease, thou hast goods laid up for many years, Luk 12:19, Luk 12:20. He shall leave them to he knows not whom, and shall not be able to take any of his riches away with him. It intimates what a great vexation it is to a worldly man at death that he must leave his riches behind him; and justly may it be a terror to those who got them unjustly, for, though the wealth will not follow them to another world, the guilt will, and the torment of an everlasting, Son, remember, Luk 16:25. Thus, at his end, he shall be a fool, a Nabal, whose wealth did him no good, which he had so sordidly hoarded, when his heart became dead as a stone. He was a fool all along; sometimes perhaps his own conscience told him so, but at his end he will appear to be so. Those are fools indeed who are fools in their latter end; and such multitudes will prove who were applauded as wise men, that did well for themselves, Psa 49:13, Psa 49:18. Those that get grace will be wise in the latter end, will have the comfort of it in death and the benefit of it to eternity (Pro 19:20); but those that place their happiness in the wealth of the world, and, right or wrong, will be rich, will rue the folly of it when it is too late to rectify the fatal mistake. This is like the partridge that sits on eggs and hatches them not, but they are broken (as Job 39:15), or stolen (as Isa 10:14), or they become addle: some sort of fowl there was, well known among the Jews, whose case this commonly was. The rich man takes a great deal of pains to get an estate together, and sits brooding upon it, but never has any comfort nor satisfaction in it; his projects to enrich himself by sinful courses miscarry and come to nothing. Let us therefore be wise in time - what we get to get it honestly, and what we have to use it charitably, that we may lay up in store a good foundation and be wise for eternity.
Historical interpretation
Two Centuries of Reception
10 surviving comments on this verse. Each one is dated, so this reads as a timeline rather than a list.
Select a marker to jump to its quote. Markers stagger vertically where authors wrote within a few decades of each other.
For this reason it is said, “Who shall declare his generation?” since “he is man, and who shall recognize him?” But one to whom the Father who is in heaven has revealed him knows him, so that he understands that he who “was not born either by the will of the flesh or by the will of man” is the Son of man, that is, Christ, the Son of the living God. For I have shown from the Scriptures that no one of the children of Adam is as to everything, and absolutely, called God or named Lord. But that he is himself in his own right, beyond all people who ever lived, God, and Lord, and King eternal and the incarnate Word, proclaimed by all the prophets, the apostles and by the Spirit, may be seen by all who have attained to even a small portion of the truth. Now, the Scriptures would not have testified these things of him, if, like others, he had been a mere man. But that he had, beyond all others, in himself that pre-eminent birth that is from the most high Father, and also experienced that pre-eminent generation that is from the Virgin, the divine Scriptures do in both respects testify of him.
The Father, now that he has made him a little lower than the angels, will crown him with glory and honor and will put all things beneath his feet. Then those who pierced him will know who he is and will strike their breasts, tribe to tribe—because in fact they formerly failed to recognize him in the humility of human condition. “And he is man,” says Jeremiah, “and who shall know him?” Because also, Isaiah says, “His nativity, who shall tell of it?”
For it is of him that Isaiah writes: “A man of suffering and acquainted with the bearing of weakness.” Jeremiah writes: “He is man, and who has known him?” And Daniel writes: “On the clouds he came as the son of man.” The apostle Paul likewise says: “The man Christ Jesus is the one mediator between God and humankind.”
David also said in the forty-fourth psalm, “Your throne, O God, is forever and ever. The scepter of your kingdom is a scepter of uprightness. You have loved righteousness. You have hated wickedness. Therefore God, your God, has anointed you with the oil of gladness.” By this word he also shows his name, since (as I have shown above) he has called Christ from his anointing. Then, that he was also man, Jeremiah teaches, saying, “And he is a man, and who shall know him?” Also Isaiah: “And God shall send to them a man who shall save them, shall save them by judging.”
The apostle says, “For God, sending his own Son in the likeness of sinful flesh, and for sin condemned sin in the flesh, that the righteousness of the law might be fulfilled in us.” He does not say “in the likeness of flesh,” for Christ took on himself the reality, not the likeness, of flesh. Nor does he say in the likeness of sin, for he did not sin but was made sin for us. Yet he came “in the likeness of sinful flesh.” That is, he took on him the likeness of sinful flesh, the likeness, because it is written, “He is man, and who shall know him?” He was man in the flesh, according to his human nature that he might be recognized, but in power he was above humanity, that he might not be recognized, so he has our flesh but has not the failings of this flesh.
How can they declare the Savior a mere man, conceived of a man’s seed? How will he “not be known,” as Jeremiah says of him, “he is man, but who shall know him?” For the prophet, describing him, said, “Who shall know him?” But if he meant a mere man, surely his father would know him, and his mother, his relatives and neighbors, those who lived with him and his fellow townspeople. But that which came to birth is born of Mary, while the divine Word came from above. He was truly begotten not in time and without a beginning, not of a man’s seed but of the Father on high. But in the last days he consented to enter a virgin’s womb and fashion his flesh from her, patterned after himself. This is why Jeremiah says, “And he is man, but who shall know him?” He came from above as God, the only-begotten, divine Word.
(Verse 9, 10.) The heart of all is perverse and inscrutable, who can understand it? I am the Lord, searching the heart and testing the kidneys, who gives to each according to their ways and according to the fruit of their inventions. LXX: The heart is deep above all, and man is, who can know him? and so on. The Hebrew word Enos is written with four letters, Aleph and Nun and Vau and Sin. Therefore, if Enos is read, it means 'man', but if Anus, it is inscrutable or desperate, because no human heart can find it. But Symmachus interpreted this passage as follows: Inscrutable is the heart of all: but who is the man that can find it? Some of ours, indeed, with good intentions, but not according to knowledge, use this passage against the Jews, because He is called Lord and Savior, according to the dispensation of the assumed flesh, and no one can know the mystery of His birth, according to what is written: Who shall declare His generation? (Isaiah 53:8) Unless God alone who searches the depths and renders to each according to his works. However, it is better that we simply accept that no one knows the secrets of our thoughts except God alone. For as it was said above: Cursed is the man who has hope in man. And conversely: Blessed is the man who trusts in the Lord. Hence, in order for us not to think that the judgment of men is certain, it was introduced that the hearts of almost all are perverse, as the Psalmist says: Cleanse me from my hidden faults, and spare your servant from the faults of others (Psal. 19:13): undoubtedly referring to thoughts. And in Genesis: But God, seeing that the wickedness of men was great on the earth, and that every thought and intent of the heart was inclined towards evil at all times (Gen. 6:5). And again: For the sense and thought of the human heart are prone to evil from their youth (Gen. 8:21). From this we learn that only God knows our thoughts. But if it is said of the Savior: But Jesus, seeing their thoughts (Luke 9:17); and no one can see their thoughts except God alone; therefore Christ is God, who searches the hearts, and tests the kidneys; and rewards each one according to their works (Ps. 7).
Symmacus translates this passage thus: “The heart of everyone is inscrutable. Yet, who is the man who can find it?” It is customary by our own good wish, therefore, but not according to objective knowledge, to use this passage to argue against the Jews that the man in question is the Lord and Savior, according to the dispensation of the assumed flesh, and that no one shall be able to know the mystery of his nativity, according to what is written: “Who will explain his generation?” except God alone, who probes the secrets and returns to each one according to his works. But it is better that we simply accept that no one knows the secrets of another’s thoughts except God alone, for it says above, “Accursed is the person who trusts in humankind” and, “Blessed is the one who trusts in the Lord.” Hence, lest we think ourselves to be sure of human judgment, the psalmist implies that almost every heart is perverse, saying, “Cleanse me from hidden thoughts, O Lord, and spare your servant from foreigners,” without doubt meaning foreign thoughts. Also in Genesis, it is written, “God saw how great human malice was on the earth and that every thought of the human heart was intent on evil continuously”;8 and again, “The senses and the thoughts of a person’s heart are prone to evil from his adolescence.” Through these texts, we learn that God alone knows a person’s thoughts. Yet, if it is said of the Savior that “Jesus saw what they were thinking,” and if no one is able to see one’s thoughts except God alone, then Christ is God, “who examines hearts and probes the mind and gives to each one according to his works.”
The inquirer, then, might say that the prophet says only that Christ is God, without any reference to his human nature. Yet, in our apostolic doctrine, Christ is not only God in whom we may safely trust but also the mediator between God and humankind—the man Jesus. The prophet explains this in the words in which he seems to check himself, and to supply the omission: “The heart,” he says “is inscrutable above all things, and he is man, and who shall know him?” He is man in order that, in the form of a servant, he might heal the hard in heart and that they might acknowledge as God him who became man for their sakes, that their trust might be not in humankind, but in God—man.
His manhood was much more plainly and readily recognized by strangers, who, indeed, were not wrong in believing him to be man, but they did not understand his being God as well as man. Hence Jeremiah says, “He is man, and who shall know him?” He is a man, for it is made manifest that he is a brother. And who shall know him? For it is concealed that he is a husband [to the church]. This must suffice as a defense of our father Abraham against Faustus’s imprudence and ignorance and malice.
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Summary
Jeremiah 17:9 presents a profound and sobering assessment of the human condition, declaring the heart to be inherently deceitful beyond measure and incurably wicked. This foundational verse asserts that the innermost core of human being—the seat of intellect, will, and emotion—is fundamentally untrustworthy, prone to deep self-deception, and operates in ways that are beyond human comprehension or self-diagnosis. It highlights a pervasive spiritual malady that necessitates divine intervention, establishing a crucial truth about humanity's fallen nature and the deep-seated problem of sin that only God can fully discern and ultimately remedy.
Context
Literary Context
Jeremiah 17:9 serves as a pivotal theological explanation within a broader discourse that contrasts reliance on human strength with trust in the Lord. The preceding verses, Jeremiah 17:5-6, pronounce a curse upon those who trust in mere mortals and make flesh their strength, likening them to a parched shrub in the desert, unaware of coming good. Conversely, Jeremiah 17:7-8 bless those who trust in the Lord, comparing them to a tree planted by water, whose roots reach to the stream, remaining green and fruitful even in drought. Verse 9 then provides the profound theological rationale for why humanity is so consistently prone to the cursed path of self-reliance and idolatry: the very heart, the wellspring of human choice and motivation, is fundamentally flawed and untrustworthy. It exposes the deep-seated spiritual problem underlying Judah's persistent idolatry, rebellion against God, and inability to discern their own sin, thereby providing the basis for the impending judgment and the subsequent necessity of a radical, divine transformation, which Jeremiah later elaborates upon in the promise of the New Covenant.
Historical & Cultural Context
Jeremiah prophesied during a tumultuous and pivotal period in Judah's history, spanning the reigns of several kings from Josiah to Zedekiah, leading up to the devastating Babylonian exile (c. 627-586 BC). Despite Jeremiah's urgent warnings, prophetic calls to repentance, and vivid portrayals of divine judgment, the people of Judah largely persisted in their apostasy, engaging in widespread idolatry, social injustice, and a superficial adherence to religious rituals. Culturally, the "heart" (Hebrew: lev) in ancient Israelite thought was not merely the seat of emotions but was understood as the center of one's entire being—encompassing intellect, will, conscience, and moral character. It was considered the source of all thoughts, intentions, and decisions. Thus, a "deceitful" and "wicked" heart implied a fundamental corruption of one's entire personhood, explaining the nation's spiritual blindness, their inability to perceive their own sin, and their stubborn resistance to God's warnings and impending judgment. This context underscores the dire spiritual state that Jeremiah was confronting, a condition deeply rooted in the inner being of the people.
Key Themes
This verse powerfully articulates several key themes central to Jeremiah's prophecy and indeed to broader biblical theology. Firstly, it highlights the pervasive nature of sin, asserting that human corruption is not merely external behavior but originates from the deepest core of one's being, affecting the very wellspring of thoughts, desires, and intentions. This theme resonates deeply with the biblical emphasis on humanity's fallen state, a condition that impacts every aspect of life. Secondly, it introduces the theme of human inability and divine omniscience. The rhetorical question "who can know it?" implies that human beings cannot fully comprehend their own depravity or the true motives of their hearts, underscoring the absolute necessity of God's perfect knowledge and righteous judgment. This sets the stage for the crucial truth revealed in the very next verse, Jeremiah 17:10, which explicitly states that only the Lord truly searches and knows the heart. Finally, it implicitly points to the necessity of divine intervention and transformation. If the heart is incurably wicked, then human effort alone is utterly insufficient for true change, thereby foreshadowing the New Covenant promise of a new heart and a new spirit, which Jeremiah himself prophesies in Jeremiah 31:33 and later expanded upon by Ezekiel in Ezekiel 36:26-27.
Exposition and Analysis
Key Word Analysis
This crucial term refers to the innermost core of a person—not merely the seat of emotions, but comprehensively the intellect, will, conscience, and moral character. It is the very center of one's personality, the wellspring from which all thoughts, decisions, and intentions flow. In this context, the declaration that the "heart" is deceitful and wicked signifies that the fundamental wellspring of human life and action is corrupted to its core, impacting every facet of human existence.
Derived from a root meaning "to supplant" or "to trip up," this word conveys the profound idea of being crooked, treacherous, insidious, or fraudulent. It implies an unparalleled cunning ability to mislead, not only others but, more dangerously, oneself. The heart is inherently deceptive, capable of rationalizing sin, obscuring true motives, and convincing itself of righteousness even when deeply flawed. This term is notably related to the name Jacob, whose early life was characterized by cunning deception.
This powerful word signifies being frail, feeble, sick, or, most poignantly, incurable. It describes a condition that is beyond human remedy, akin to a terminal illness. When applied to the heart, it paints a vivid picture of profound, pervasive corruption that is not merely a tendency to sin but a fundamental, deep-seated spiritual malady. The heart is not just prone to wickedness; it is diseased to its very core, making self-reformation or human-led healing utterly impossible.
This primitive root means "to know" in a comprehensive and intimate sense—to ascertain by seeing, to comprehend, to be aware of, to discern, and even to acknowledge or experience. The rhetorical question "who can know it?" implies that no human being, not even the individual themselves, can fully grasp the intricate depth of the heart's deceit and wickedness. This highlights the hidden, complex nature of human sin and the absolute necessity of divine insight, as only God possesses such complete and penetrating knowledge.
Verse Breakdown
"The heart [is] deceitful above all [things],"
This clause makes a stark and absolute assertion regarding the supreme cunning and treachery of the human heart. It is not merely deceptive, but more so than anything else in creation, suggesting its unparalleled capacity for self-deception, hidden motives, and subtle rationalizations. This deceitfulness operates on a level that surpasses all other forms of trickery or guile, making it exceedingly difficult for any human to detect or overcome through their own effort or wisdom.
"and desperately wicked:"
This phrase intensifies the description, portraying the heart's condition as not just morally flawed but incurably diseased. The wickedness is deep-seated, pervasive, and fundamental, indicating a profound spiritual sickness that renders the heart beyond human repair or self-healing. It speaks to the radical, total nature of human depravity, affecting the very core of one's being and demonstrating an inherent bent towards sin.
"who can know it?"
This powerful rhetorical question underscores the profound mystery and elusiveness of the heart's true condition. It implies that no human being, through self-reflection, psychological analysis, or external observation, can fully comprehend the depth of its deceit and wickedness. This question serves to humble humanity, highlighting our inherent limitations in self-knowledge, and crucially sets the stage for the following verse, Jeremiah 17:10, which provides the divine answer: only the Lord can truly know and search the heart.
Literary Devices
Jeremiah 17:9 employs several potent literary devices to convey its profound and unsettling message about the human condition. The most prominent is Hyperbole, as the heart is described as "deceitful above all things," emphasizing the extreme and unparalleled nature of its corruption. This exaggeration serves to shock the audience into a stark recognition of the depth of human depravity and the pervasive influence of sin. The verse also utilizes Personification, attributing qualities of cunning, treachery, and incurable wickedness directly to the "heart" itself, treating it as an active, independent agent capable of profound deception and moral failure. This highlights the internal source of sin and its deep-seated nature. Finally, the verse concludes with a powerful Rhetorical Question, "who can know it?" This question is not posed to elicit an answer from the audience but rather to underscore the unknowable depth of the heart's corruption from a human perspective, thereby implicitly pointing to the divine omniscience as the only true source of knowledge and discernment regarding the heart's true condition.
Theological and Thematic Connections
Jeremiah 17:9 stands as a cornerstone verse for understanding the biblical doctrine of human depravity. It asserts that sin is not merely a collection of wrong actions but a fundamental corruption of the inner being, affecting the very core of human nature—our thoughts, desires, and intentions. This deep-seated spiritual sickness explains humanity's persistent rebellion against God and our inherent inability to perfectly obey His commands or even fully understand our own motives. The verse highlights the radical nature of sin, demonstrating that it permeates every aspect of human existence and is beyond self-remedy. This theological truth serves as the necessary backdrop for understanding the profound need for divine grace, redemption, and spiritual regeneration, as only God can truly search, expose, and transform the human heart.
Reflection and Application
Jeremiah 17:9 serves as a sobering and essential reminder of our inherent human frailty and the pervasive nature of sin, even within our deepest selves. For believers, this verse calls for profound humility, urging us to recognize that our hearts are not inherently trustworthy guides. It underscores the constant need for honest self-examination, not relying on our own perceived goodness or rationalizations, but continually bringing our inner lives before God for His divine scrutiny. This truth should cultivate a deep reliance on God's grace and His transforming power, acknowledging that genuine change and spiritual insight come only through His Spirit, not through self-effort or human striving. It challenges us to be acutely wary of self-deception and to consistently seek God's cleansing, guidance, and renewal, allowing Him to reveal and reshape the hidden corners of our hearts so that we may live in greater alignment with His perfect will and character.
Questions for Reflection
FAQ
What does "the heart" mean in this context?
In biblical understanding, particularly in the Old Testament, "the heart" (Hebrew: lêb, H3820) is far more than just the seat of emotions. It refers to the entire inner being of a person—the intellect, will, conscience, and moral character. It is the core of one's personality, the source of thoughts, decisions, intentions, and motivations. So, when Jeremiah says the heart is "deceitful" and "desperately wicked," he is referring to a fundamental corruption of one's entire inner self, from which all actions and choices originate. This comprehensive concept of the heart is foundational to understanding human nature in Scripture, as seen in passages like Proverbs 4:23.
Why is the heart described as "deceitful above all things"?
The Hebrew word for "deceitful" (ʻâqôb, H6121) carries connotations of being crooked, treacherous, or insidious. The phrase "above all things" emphasizes that the human heart possesses an unparalleled capacity for deception, even deceiving itself. It implies a cunning ability to rationalize sin, to hide true motives, and to convince oneself of righteousness even when deeply flawed. This self-deception is so profound that it surpasses any external form of trickery, making it incredibly difficult for individuals to truly know their own spiritual state or motives without divine insight. It highlights the subtle and pervasive nature of sin's influence within us, making self-knowledge a profound challenge.
What does "desperately wicked" imply about the human condition?
The Hebrew term translated "desperately wicked" (ʼânash, H605) means to be frail, sick, or incurable. When applied to the heart, it paints a vivid picture of a condition that is beyond human remedy. It signifies a profound, pervasive corruption that is not merely a tendency to sin, but a fundamental spiritual malady or terminal illness. This implies that humanity's problem with sin is not superficial or easily fixed by self-improvement, moral education, or human effort. Instead, it is a deep-seated, radical depravity affecting the very core of our being, rendering us incapable of self-healing or true spiritual transformation without divine intervention. This truth underscores the absolute necessity of God's grace and power for redemption, as articulated in Romans 5:6.
Christ-Centered Fulfillment
Jeremiah 17:9 powerfully articulates humanity's profound spiritual predicament, a heart so deceitful and desperately wicked that no one can truly know its depths. This devastating diagnosis of the human condition sets the essential stage for the ultimate solution found in Jesus Christ. While the Old Covenant, with its laws and rituals, revealed the law's inability to truly transform the inner person, thereby exposing the heart's incurable sickness, Christ came to offer a radical, divine remedy. He is the one who perfectly "knows" the heart, for He is God incarnate, and as John 2:25 states, "he himself knew what was in man." More profoundly, Christ fulfills the promise of a new covenant, where God would no longer merely give a law to a rebellious people but would write His law directly upon their hearts and put His Spirit within them, as prophesied by Jeremiah himself in Jeremiah 31:33 and later expanded upon by Ezekiel in Ezekiel 36:26-27. Through His atoning sacrifice on the cross, Jesus provides the cleansing for sin that the desperately wicked heart requires (Romans 5:8), and through the indwelling of the Holy Spirit, He initiates a supernatural regeneration, giving believers a new heart and a new spirit (John 3:3-7). Thus, what humanity cannot know or cure in itself, Christ fully knows and perfectly redeems, transforming the deceitful and wicked heart into one that desires to obey and glorify God (2 Corinthians 5:17).