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Commentary on Isaiah 48 verses 1–8
We may observe here,
I. The hypocritical profession which many of the Jews made of religion and relation to God. To those who made such a profession the prophet is here ordered to address himself, for their conviction and humiliation, that they might own God's justice in what he had brought upon them. Now observe here,
1.How high their profession of religion soared, what a fair show they made in the flesh and how far they went towards heaven, what a good livery they wore and what a good face they put upon a very bad heart. (1.) They were the house of Jacob; they had a place and a name in the visible church. Jacob have I loved. Jacob is God's chosen; and they are not only retainers to his family, but descendants from him. (2.) They were called by the name of Israel, an honourable name; they were of that people to whom pertained both the giving of the law and the promises. Israel signifies a prince with God; and they prided themselves in being of that princely race. (3.) They came forth out of the waters of Judah, and thence were called Jews; they were of the royal tribe, the tribe of which Shiloh was to come, the tribe that adhered to God when the rest revolted. (4.) They swore by the name of the Lord, and thereby owned him to be the true God, and their God, and gave glory to him as the righteous Judge of all. They swore to the name of the Lord (so it may be read); they took an oath of allegiance to him as their King and joined themselves to him in covenant. (5.) They made mention of the God of Israel in their prayers and praises; they often spoke of him, observed his memorials, and pretended to be very mindful of him. (6.) They called themselves of the holy city, and, when they were captives in Babylon, purely from a principle of honour, and jealousy for their native country, they valued themselves upon their interest in it. Many, who are themselves unholy, are proud of their relation to the church, the holy city. (7.) They stayed themselves upon the God of Israel, and boasted of his promises and his covenant with them; they leaned on the Lord, Mic 3:11. And, if they were asked concerning their God, they could say, "The Lord of hosts is his name, the Lord of all;" happy are we therefore, and very great, who have relation to him!
2.How low their profession of religion sunk, notwithstanding all this. It was all in vain; for it was all a jest; it was not in truth and righteousness. Their hearts were not true nor right in these professions. Note, All our religious professions avail nothing further than they are made in truth and righteousness. If we be not sincere in them, we do but take the name of the Lord our God in vain.
II. The means God used, and the method he took, to keep them close to himself, and to prevent their turning aside to idolatry. The many excellent laws he gave them, with their sanctions, and the hedges about them, it seems, would not serve to restrain them from that sin which did most easily beset them, and therefore to those God added remarkable prophecies, and remarkable providences in pursuance of those prophecies, which were all designed to convince them that their God was the only true God and that it was therefore both their duty and interest to adhere to him. 1. He both dignified and favoured them with remarkable prophecies (Isa 48:3): I have declared the former things from the beginning. Nothing material happened to their nation from its original which was not prophesied of before - their bondage in Egypt, their deliverance thence, the situation of their tribes in Canaan, etc. All these things went forth out of God's mouth and he showed them. Herein they were honoured above any nation, and even their curiosity was gratified. Their prophecies were such as they could rely upon, and such as concerned themselves and their own nation; and they were all verified by the accomplishment of them. I did them suddenly, when they were least expected by themselves or others, and therefore could not be foreseen by any but a divine prescience. I did them and they came to pass; for what God does he does effectually. The very calamities they were now groaning under in Babylon God did from the beginning declare to them by Moses, as the certain consequences of their apostasy from God, Lev 26:31, etc.; Deu 28:36, etc.; Deu 29:28. He also declared to them their return to God, and to their own land again, Deu 30:4, etc.; Lev 26:44, Lev 26:45. Thus he showed them how he would deal with them long before it came to pass. Let them compare their present state together with the deliverance they had now in prospect with what was written in the law, and they would find the scripture exactly fulfilled. 2. He both dignified and favoured them with remarkable providence (Isa 48:6): I have shown thee new things from this time. Besides the general view given from the beginning of God's proceedings with them, he showed them new things by the prophets of their own day, and created them. They were hidden things, which they could not otherwise know, as the prophecy concerning Cyrus and the exact time of their release out of Babylon. These things God created now, Isa 48:7. Their restoration was in effect their creation, and they had a promise of it not from the beginning, but of late; for to prevent their apostasy from God, or to recover them, prophecy was kept up among them. Yet it was told them when they could not come to the knowledge of it in any other way than by divine revelation. "Consider," says God, "how much soever it is talked of now among you and expected, it was told you by the prophets, when it was the furthest thing from your thoughts, when you had not heard it, when you had not known it, nor had any reason to expect it, and when your ear was not opened concerning it (Isa 48:7, Isa 48:8), when the thing seemed utterly impossible, and you would scarcely have given any one the hearing who should have told you of it." God had shown them hidden things which were out of the reach of their knowledge, and done for them great things, out of the reach of their power: "Now," says he (Isa 48:6), "thou hast heard; see all this. Thou hast heard the prophecy; see the accomplishment of it, and observe whether the word and works of God do not exactly agree; and will you not declare it, that as you have heard so you have seen? Will you not own that the Lord is the true God, the only true God, that he has the knowledge and power which no creature has and which none of the gods of the nations can pretend to? Will you not own that your God has been a good God to you? Declare this to his honour, and your own shame, who have dealt so deceitfully with him and preferred others before him."
III. The reasons why God would take this method with them.
1.Because he would anticipate their boastings of themselves and their idols. (1.) God by his prophets told them beforehand of their deliverance, lest they should attribute the accomplishment of it to their idols. Thus he saw it necessary to secure the glory of it to himself, which otherwise would have been given by some of them to their graven images: "I spoke of it," says God, "lest thou shouldst say, My idol has done it or has commanded it to be done," Isa 48:5. There were those that would be apt to say so, and so would be confirmed in their idolatry by that which was intended to cure them of it. But they would now be for ever precluded from saying this; for, if the idols had done it, the prophets of the idols would have foretold it; but, the prophets of the Lord having foretold it, it was no doubt the power of the Lord that effected it. (2.) God foretold it by his prophets, lest they should assume the foresight of it to themselves. Those that were not so profane as to have ascribed the thing itself to an idol were yet so proud as to have pretended that by their own sagacity they foresaw it, if God had not been beforehand with them and spoken first: Lest thou shouldst say, Behold, I knew them, Isa 48:7. Thus vain men, who would be thought wise, commonly undervalue a thing which is really great and surprising with this suggestion, that it was no more than they expected and they knew it would come to this. To anticipate this, and that this boasting might for ever be excluded, God told them of it before the day, when as yet they dreamed not of it. God has said and done enough to prevent men's boastings of themselves, and that no flesh may glory in his presence, and, if it have not the intended effect, it will aggravate the sin and ruin of the proud; and, sooner, or later, every mouth shall be stopped, and all flesh shall become silent before God.
2.Because he would leave them inexcusable in their obstinacy. Therefore he took this pains with them, because he knew they were obstinate, Isa 48:4. He knew they were so obstinate and perverse that, if he had not supported the doctrine of providence by prophecy, they would have had the impudence to deny it, and would have said that their idol had done that which God did. He knew very well, (1.) How wilful they would be, and how fully bent they would be upon that which is evil: I knew that thou wast hard; so the word is. There were prophecies as well as precepts which God gave them because of the hardness of their hearts: "Thy neck is an iron sinew, unapt to yield and submit to the yoke of God' commandments, unapt to turn and look back upon his dealings with thee or look up to his displeasure against thee; not flexible to the will of God, nor pliable to his intentions, nor manageable by his word or providence. Thy brow is brass; thou art impudent and canst not blush, insolent and wilt not fear or give back, but wilt thrust on in the way of thy heart." God uses means to bring sinners to comply with him, though he knows they are obstinate. (2.) How deceitful they would be and how insincere in that which is good, Isa 48:8. God sent his prophets to them, but they did not hear, they would not know, and it was no more than was expected, considering what they had been. Thou wast called, and not miscalled, a transgressor from the womb. Ever since they were first formed into a people they were prone to idolatry; they brought with them out of Egypt a strange addictedness to that sin; and they were murmurers as soon as ever they began their march to Canaan. They were justly upbraided with it then, Deu 9:7, Deu 9:24. Therefore I knew that thou wouldst deal very treacherously. God foresaw their apostasy, and gave this reason for it, that he had always found them false and fickle, Deu 31:16, Deu 31:27, Deu 31:29. This is applicable to particular persons. We are all born children of disobedience; we were called transgressors from the womb, and therefore it is easy to foresee that we shall deal treacherously, very treacherously. Where original sin is actual sin will follow of course. God knows it, and yet deals not with us according to our deserts.
These words would not be of any help to you if you had not been already warned. Nevertheless, dwelling in my loving-kindness, I still bear witness and distinguish you from those assembled in Babylon and the Chaldeans about to attack you. Open your eyes! As you see the foretold destruction taking hold when the warriors come from Babylon, you will know with understanding that God has told you these things would happen and you can call on his help when the predicted end strikes. These things are available to you from my words.
Perchance he will say to me, who am not reformed even by blows, “I know that you are obstinate and your neck is an iron sinew, the heedless is heedless, and the lawless person acts lawlessly, and for nothing comes correction from heaven and the scourges.” The bellows are burned, the lead is consumed, as I once reprimanded you by the mouth of Jeremiah: “The founder melted the silver in vain; your wickednesses are not melted away.” … May it not be that I should ever, among other chastisements, be thus approached by him who is good, and yet by my own contrariness continue to walk against his goodness. This causes God to walk against me in fury.
Not, therefore, on account of your merit but through my mercy I have calmed my fury, lest you come near to death. For the sake of my name I will rein you in so that like a donkey you are made to follow behind the reins of a horse. Behold, I have dried you up, that is, I have tested you in the way one fires silver. Or it may be that I will test you, not in riches but in the furnace of poverty.… I predict to you that Babylon is to be overcome by the Medes and Persians. I will do quickly that about which I have given warning, lest when the events predicted take place, you think they have happened at the nod of the gods you worship or by fate. And I do not intimate mere knowledge of future things, but I speak for your benefit, whose heart I know to have been from the beginning unbelieving and whose neck is like iron and whose forehead like bronze. For look! You have heard all the things that are about to come, and yet you hide the truth by keeping quiet. So it does little good to relate things long gone by, like how I led you out of Egypt.
(Verse 3, 4 and following) I announced the former things long ago, they went out from my mouth, and I made them heard. Suddenly I acted, and they came to pass. For I knew that you are obstinate, and your neck is an iron sinew, and your forehead is bronze. I foretold them to you long ago, before they came to pass I announced them to you, lest you should say, 'My idols did these things, and my carved images and molded idols commanded them.' You have heard; see all this. And will you not declare it? I have made known to you new things from this time, even hidden things which you have not known. They are created now, and not from before; even until this day you have not heard of them, lest you should say, 'Behold, I knew them!' Neither have you heard, nor have you known, nor from that time your ear has been opened. For I knew that you would deal treacherously, and called you a transgressor from the womb. For my name's sake I will defer my anger, and for my praise I will hold it back from you, so that you do not cut off. Behold, I have refined you, but not as silver; I have chosen you in the furnace of poverty. Because of me, because of me I will act, so that I may not blaspheme; and I will not give my glory to another. I have announced beforehand: and from my mouth they have gone forth, and it has been heard: suddenly I have done it, and they have come. I know that you are stubborn, and your neck is an iron sinew, and your forehead is bronze. I have announced it to you long ago, before it came to pass, so that you would not say, 'My idols have made these things for me, and my images and molded idols have commanded them to me.' You have heard all, and you have not understood: but I have told you new things that will happen now. And you did not say, now they are happening, and not in the past days. Do not even say that you knew them: neither do you know, nor do you understand, nor have you opened your ears from the beginning. For I know that you will act deceitfully: and you will be called unjust even from the womb. Because of my name, I will show you my anger: and I will bring my glory upon you, so that I do not kill you. Behold, I have sold you not for silver: I have redeemed you out of the furnace of poverty: for my own sake will I do this, lest my name should be polluted: and I will not give my glory to another. I have declared to you the things that are to come, before they come to pass I have foretold them to you: lest thou shouldst say: My idols have done these things, and my graven and molten things have commanded them. Thou hast heard, see all this, and will you not declare it? I have shown thee new things from that time, and things before they came to pass I foretold thee: and thou hast not heard them, lest thou shouldst say: Behold I knew them. Thou hast neither heard, nor known, neither was thy ear opened of old. For I know that transgressing thou wilt transgress, and I have called thee a transgressor from the womb. For my name's sake I will remove my wrath far off: and for my praise I will bridle thee, lest thou shouldst perish. Behold I have refined thee, but not as silver, I have chosen thee in the furnace of poverty. For my own sake, for my own sake will I do it, that I may not be blasphemed: and I will not give my glory to another. Behold, you have heard all things that are to come, and yet you conceal the truth in silence. I do not speak of past events, in which my power has often been proven, such as when I led the people out of Egypt, drowned the Egyptians in the Red Sea, gave them the promised land, and subjected various nations to you. But I announce the new things that I am going to do against Babylon, so that the impudence of your mouth may be refuted, you who claim to know what you do not know. From the beginning you have been a transgressor of my commands; and from the womb you were called a transgressor by God, when you were delivered from Egypt, as if you were conceived in my womb, and brought up, and taught. You desired the head of the Egyptian bull, saying: These are your gods, O Israel, who brought you out of the land of Egypt. Therefore, not by your merit, but by my mercy, I have delayed my anger, so that you would not be completely destroyed, and for the sake of the praise of my name, I will restrain you, so that you will follow me like a beast and an unwilling horse with reins. Behold, I have tested you, that is, I have proved how silver is refined. Whether in wealth or in the furnace of poverty, I desired to test you. From which it is shown that both wealth and poverty tempt many, if they either misuse them or cannot endure poverty with virtue. Therefore, I will act for my own sake, so that my name is not blasphemed among the nations, and so that they do not think that you have overcome by my anger, but by the assistance of their own idols. And what it brings forth, I will not give my glory to another, this signifies that it should not be thought that idols have oppressed the people of God. Certainly, when he says, 'I will not give to another,' he indicates that he has already given to another, for he is said to have given to another in order to distinguish the first. Many of our people, as I will briefly mention in accordance with the Seventy Interpreters, think that the coming of Christ is prophesied, that he will come suddenly, unexpectedly, and demonstrate his presence to a very stubborn people; to whom the Lord has never revealed, because their heart has become fat and their ears have become heavy. And immediately, as the Lord came forth from the virgin womb, he was called a transgressor and unjust, seeking to kill him. And he connects: For My name's sake I will show thee My fury, and My glory I will bring upon thee. He abuses the sense of the Apostle Paul, or the Apostle Paul takes testimony from this passage (Rom. I), so that the wrath of God may be revealed to terrify those who sin, and afterwards glory may be given to those who are converted: Behold, he says, I have sold you not for money, but I have sold you in your sins, and I have delivered you from the furnace of poverty. For this reason, Solomon (Prov. III) does not want to have wealth and poverty, but only the necessities, so that his heart is not lifted up in pride because of them, or compelled to do things he does not want, and to blaspheme God while pressed by poverty. Hence the Apostle says: Having, he says, food and clothing, let us be content with these (I Tim. VI, 8).
Instructed by this passage, the divine Stephen in his turn says to the Jews, “You stiff-necked, uncircumcised in heart and ears! You always resist the Holy Spirit; as your ancestors did, so do you.” And also through the mouth of the prophet Jeremiah, the God of the universe has declared to them, “You have had the appearance of a prostitute; you refuse to be ashamed.” It is this shamelessness that [Isaiah] likewise alludes to by [the phrase] “brazen forehead.” The forehead of a brass statue does not blush. Similarly, you no longer blush when you commit evil or when you are confronted or chastised.… In this way he has described with greater clarity their spirit of disobedience. For they voluntarily refused to listen, because they did not even desire to hear the words of God.
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SUMMARY
Isaiah 48:4 powerfully articulates God's profound foreknowledge of Israel's inherent stubbornness and deep-seated resistance to His divine will. This verse reveals that God's method of prophetic declaration—revealing future events before they transpire—is a direct response to His understanding of their unyielding character, ensuring that His sovereignty and the fulfillment of His word cannot be attributed to idols or human ingenuity. It underscores that even in the face of profound human obstinacy, God's redemptive purposes remain steadfast, though His communication strategy adapts to their spiritual condition, highlighting His unique glory and control over history.
CONTEXT
Literary Context: Isaiah 48 serves as a pivotal conclusion to the first major section of the "Book of Consolation" (chapters 40-48), which primarily addresses the exiles in Babylon. Throughout this section, God repeatedly emphasizes His unique identity as the only true God, contrasting Himself with the impotent idols worshipped by the nations and, tragically, by Israel itself. Chapter 48 specifically acts as a summary, reiterating God's unparalleled ability to declare the future and bring it to pass. The preceding verses in Isaiah 48 establish God's consistent practice of revealing new things before they spring forth, a practice necessitated by Israel's tendency to deny His hand in history. Verse 4, therefore, provides the divine rationale for this prophetic strategy, explaining why God must be so explicit and predictive: because of Israel's deep-seated spiritual resistance. This sets the stage for the subsequent themes of judgment and ultimate restoration.
Historical & Cultural Context: The audience for these prophecies was the Jewish community in Babylonian exile, a people who, despite experiencing God's judgment, continued to struggle with idolatry and spiritual apathy. The imagery of a "stiff-necked" people was deeply ingrained in Israel's history, frequently appearing in the Pentateuch (e.g., Exodus 32:9 and Deuteronomy 9:6), signifying a rebellious refusal to submit to divine authority, much like an ox refusing to be guided by a yoke. The metaphors of "iron sinew" and "brass brow" would have resonated strongly in an ancient Near Eastern context, where iron and brass (or bronze) were known for their hardness, inflexibility, and durability. These materials symbolized unyielding strength and resistance, making them apt descriptions for a people whose spiritual obstinacy was not merely passive but actively hardened and unashamed.
Key Themes: Isaiah 48:4 contributes significantly to several overarching themes within the book of Isaiah and the broader biblical narrative. Firstly, it highlights Divine Foreknowledge and Sovereignty, asserting God's perfect and comprehensive knowledge of human nature and future events. His actions are not reactive but are part of an eternal, sovereign plan, fully accounting for humanity's sinfulness and resistance. Secondly, it powerfully illustrates Human Stubbornness and Rebellion, using vivid metaphors to portray Israel's unyielding defiance and unashamed persistence in sin. This theme is central to understanding the necessity of God's redemptive interventions. Thirdly, the verse subtly points to God's Patient Purpose Amidst Resistance. Despite Israel's profound obstinacy, God continues to engage with them, revealing His plans and offering a path to redemption. His foreknowledge of their flaws does not deter His redemptive purposes but rather shapes His communication strategy, ensuring His glory and truth are undeniably manifest, even to a people prone to unbelief and idolatry, as seen in God's declaration of new things in Isaiah 42:9.
EXPOSITION AND ANALYSIS
Key Word Analysis
Verse Breakdown
Literary Devices
Isaiah 48:4 is rich in Metaphor, employing two distinct and powerful images to convey Israel's spiritual state: "thy neck [is] an iron sinew" and "thy brow brass." These are not literal descriptions but symbolic representations of profound spiritual characteristics. The "iron sinew" metaphor conveys extreme inflexibility and an unyielding will, an inability or unwillingness to bend to divine authority. The "brass brow" metaphor signifies a hardened, unashamed, and defiant disposition, indicating a lack of remorse or embarrassment for sin and a bold refusal to acknowledge truth. The verse also utilizes Idiom, particularly the concept of a "stiff-necked" people, which, while not explicitly stated as "stiff-necked," is strongly implied by the "neck... an iron sinew" imagery. This idiom is a well-established biblical phrase for rebellion and resistance to God, deeply rooted in Israel's historical narrative. Furthermore, the verse contains an element of Anthropopathism, attributing human-like knowledge ("I knew") to God, emphasizing His perfect understanding of human character and motives. The intensity of the imagery also borders on Hyperbole, exaggerating the degree of Israel's stubbornness to underscore its profound and pervasive nature and the divine necessity for explicit revelation.
THEOLOGICAL AND THEMATIC CONNECTIONS
Isaiah 48:4 profoundly illuminates the persistent tension between divine sovereignty and human responsibility. God's declaration of His foreknowledge of Israel's obstinacy does not negate their culpability but rather highlights the depth of their rebellion and the necessity of His intervention. This verse underscores that God's plan is never thwarted by human sin; instead, His knowledge of human sinfulness is factored into His redemptive strategy. It reveals a God who, despite facing unyielding defiance, continues to pursue His people, demonstrating immense patience and a steadfast commitment to His covenant promises. The imagery of the "iron sinew" and "brass brow" serves as a timeless warning against spiritual hardening, reminding humanity of the dangers of resisting God's truth and the importance of a humble, pliable heart that is open to divine instruction and correction.
REFLECTION AND APPLICATION
Isaiah 48:4 serves as a profound mirror for self-reflection, inviting us to honestly examine the disposition of our own hearts towards God. Are there areas in our lives where our "neck" is an "iron sinew," unyielding to God's clear commands or gentle nudges from His Spirit? Do we find ourselves resisting His Word when it challenges our comfort zones, our desires, or our preconceived notions? Furthermore, the imagery of a "brow of brass" compels us to consider our posture towards sin. Do we exhibit a lack of shame or remorse for our transgressions, perhaps even boldly persisting in them despite conviction? True spiritual health requires a pliable heart and a repentant spirit, willing to bend to God's will and be humbled by His truth. This verse also beautifully highlights God's incredible patience. Even knowing our stubborn tendencies, He continues to reveal Himself, pursue us, and offer grace. Our response should be one of humility, gratitude, and a conscious effort to soften our hearts and yield our wills to His perfect and loving guidance, recognizing that His foreknowledge of our flaws is met with His enduring love and redemptive purpose.
Questions for Reflection
FAQ
Why does God emphasize His foreknowledge of Israel's stubbornness?
Answer: God emphasizes His foreknowledge to underscore His absolute sovereignty and unique deity. By declaring Israel's inherent obstinacy and then revealing His plans beforehand, God ensures that when these prophecies come to pass, His hand in history is undeniable. This preempts any claim by Israel that their deliverance or future events were due to their own merit, the power of idols, or mere chance. It forces them to acknowledge that He alone is God, the one who knows the end from the beginning and acts according to His perfect plan, even in the face of human rebellion. This strategic revelation prevents them from attributing His works to false gods or their own devising, as explicitly stated in Isaiah 48:5, which follows our verse.
What is the significance of the "iron sinew" and "brass brow" metaphors?
Answer: These metaphors are powerful biblical idioms portraying extreme spiritual inflexibility and unashamed defiance. The "iron sinew" refers to a neck so rigid that it cannot bend, symbolizing an unyielding will that refuses to submit to God's authority or guidance. It's a vivid image of stubborn resistance, much like an animal refusing the yoke. This imagery highlights the internal spiritual condition that resists divine leading. The "brass brow" signifies a hardened, shameless countenance, indicating a lack of remorse, embarrassment, or humility for sin. It suggests a bold and unblushing persistence in wrongdoing, openly defying truth and moral conviction. This speaks to the outward manifestation of their internal hardness, a public display of impenitence. Together, these images paint a comprehensive picture of a people whose spiritual resistance is not merely passive but actively hardened, unyielding, and unashamed in their rebellion against God.
CHRIST-CENTERED FULFILLMENT
Isaiah 48:4, with its stark portrayal of human stubbornness, finds its ultimate Christ-centered fulfillment in the person and work of Jesus. While Israel's "neck" was an "iron sinew" and their "brow" was "brass," Jesus Christ perfectly embodied submission and obedience to the Father's will. Unlike humanity's inherent rebellion, Christ's life was characterized by absolute humility and perfect obedience, even to the point of death on a cross (Philippians 2:8). He came not with a hardened heart, but with a heart perfectly aligned with God's purposes, offering Himself as the Lamb of God to atone for humanity's "iron sinews" and "brass brows"—our stubbornness and shame. Through His sacrifice, the power of our inherited stubbornness is broken, and the way is opened for God to fulfill His promise of giving a new heart and a new spirit, replacing the heart of stone with a heart of flesh (Ezekiel 36:26). In Christ, those who were once stiff-necked and unashamed can now receive grace to bend their will to God, to repent of sin, and to walk in newness of life, as the Spirit transforms them. He is the one who removes the veil of hardness from our hearts when we turn to Him (2 Corinthians 3:16), enabling us to embrace the new covenant written not on tablets of stone, but on the fleshy tablets of our hearts (Hebrews 10:16), empowering us to live in humble obedience.