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3. Wherefore have we fasted? He proceeds farther with the same subject, and says that feigned and perverse worshippers of God are not only blinded by their hypocrisy, but likewise swell with pride, so that they venture openly to murmur at God, and to complain when he presses hard upon them, as if he had done them a grievous injury. “Dost thou reject our services, fastings, and prayers? Why are they not acceptable to thee? Do we not vex ourselves in vain?“

He has admitted, as we have already said, that hypocrites have some outward show of holiness, by which they deceive men; but now he declares that inwardly they are also puffed up and intoxicated by pride, while they have pretended good works, by which they think that they satisfy God, and, on this pretense, they carry themselves high against the prophets, and indulge in the worst vices, such as unbelief, rebellion, and obstinacy against God, distrust, cruelty, fraud, and pillage. These are light matters in themselves, and are easily washed away by other external exercises; for the former are their pre­eminent merits, in which they think that the worship of God consists, and from which they hope to obtain the pardon of all their sins. Thus they “strain out a gnat, ¹¹⁹¹¹⁹     For the meaning of this phrase, see our author’s Commentary on the harmony of Matthew, Mark, and Luke, Vol. 3, p. 93. ­ Ed. and do not scruple to swallow a whole camel.” (Matthew 23:24) If such characters had been found among the Jews only, and if the world had changed its disposition, we should have needed to seek far for examples; but since we have experience of the same thing every day, there is no necessity for giving ourselves much trouble about the exposition of this passage.

This complaint may be viewed as referring both to the word and to the hand of God. In both ways God judges hypocrites; for he rebukes by the word, and punishes for their obstinate malice; and therefore those words may be viewed as referring both to the chastisements and to the preceding reproof. For my own part, I interpret it as relating to the word, and as a rebuke to hypocrites, who boasted of their fastings, and contrasted them with the censures of the prophets; as if they were the true worshippers of God, and were unjustly rebuked. I differ from those who think that the people blame God for treating them harshly during their captivity. On the contrary, it appears to me that they complain of the prophets for rebuking them with great sharpness and severity; for the Jews wished to be regarded as devout and religious persons, and could not patiently endure to be condemned for impiety and wickedness. For this reason the Prophet exposes their dispositions, and shows that they make war with God, that they may not suppose that they have to deal with him as a private individual.

Ye find pleasure and exact all your labors. In the second part of the verse he refutes, in the name of God, those virtues which hypocrites proclaim with the sound of a trumpet. It is, because they do not nevertheless lay aside the sinful dispositions of the flesh, or begin to deny themselves; for he condemns them chiefly on the ground of having been devoted to their desires, and next he enumerates particular kinds of vices. Hence we may easily infer that their heart is not moved by any anxiety to repent.

4. Behold, for strife and contention ye fast. This verse ought to be connected with the end of the preceding verse; for, having in the former clause introduced hypocrites as complaining of the violence and harshness of the prophets, he assigns, in the latter clause, the reason why the Lord loathes their fasts and their other performances. It is because they do not proceed from pure affection of heart. What the inclination of their heart is, he shows from its fruits; for he sends them back to the duties of the second table, from which it is easily seen what we are. Purity of heart is manifested by our living innocently, and abstaining from all deceit and injustice. These are the marks of pure affection, in the absence of which the Lord rejects, and even abhors, all external worship. Wherever, on the other hand, cheating, and plunder, and extortion prevail, it is very certain that there is no fear of God.

Thus he reproaches hypocrites with making their fasts to give greater encouragement to sin, and with giving a looser rein to their lusts. We have experience of this every day. Not only do many people fast in order to atone for their cheating and robberies, and to plunder more freely, but even that, during the time of the fast, they may have greater leisure for examining their accounts, perusing documents, and calculating usury, and contriving methods by which they may lay hold on the property of their debtors. On that account they frequently throw this labor on Lent and on the stated times of fasts; and, in like manner, other notable hypocrites hear many Masses every day, that they may more freely, and with less interruption, and under the pretense of religion, contrive their cheating and treachery.

Fast not, as ye do this day. At length he rejects their fasts, however highly they may value them; because in this manner the wrath of God is still more provoked. Immediately afterwards he rejects also their prayers.

That ye may make your voice to be heard on high. ¹²⁰¹²⁰     “Luther and other early writers understand the last clause as a prohibition of noisy quarrels, ‘to make the voice heard on high,’ being taken as equivalent to letting it be heard in the street. (Isaiah 42:3) Vitringa and the later writers give it a meaning altogether different, by taking מרום (marom) in the sense of heaven, (Isaiah 57:15,) and the whole clause as a declaration that such fasting would not have the desired effect of gaining audience and acceptance for their prayers. (See Joel 1:14; 2:12)” — Alexander. Hence it is evident, (as we have explained fully in our exposition of Isaiah 1:11,) that God approves of no duties which are not accompanied by sincere uprightness of heart. Certainly no sacrifice is more excellent than calling upon God; and yet we see how all prayers are stained and polluted by impurity of heart. Besides, in consequence of fasting being usually joined to prayer, the Prophet takes this for granted; for it is an appendage to prayer, he therefore forbids such men to offer up solemn prayer accompanied by fasting; because they will gain nothing, except that the Lord will punish them more severely. And hence we infer (as has been already said) that the Lord pays no regard to external works, if they be not preceded by sincere fear of God.

Such fasting as was customary among the Jews is not here blamed in itself, as if it were a superstitious ceremony, but abuse of fasting, and false confidence. This ought to be carefully observed; for we would need to deal very differently with the Papists, if we blamed their fasts. They contain nothing but superstition, being tied to this or that day, or to fixed seasons, as if during the rest of the time they were at liberty to gormandize; while they think that the flesh is unclean, and yet allow every kind of indulgence to it; provided only that they do not once gormandize on a fast­day, they think that they have discharged their duty admirably well. Since therefore there is nothing in them that can be approved, we may absolutely condemn them.

But the dispute on this occasion was different. That fasting which the Jews observed was laudable in itself, because God had appointed it; but a false opinion respecting it was censurable. Among the Papists, on the other hand, we must condemn both the false opinion and the institution itself; because it is wicked. The Papists have this in common with the Jews, that they think that they serve God by it, and that it is a meritorious work. Yet fasting is not the worship of God, and is not in itself commanded by him, in the same manner as those works which he enjoins in the Law; but it is an external exercise, which is auxiliary to prayer, or is useful for subduing the flesh, or testifying our humiliation, when, as guilty persons, we implore that the wrath of God may be turned away in adversity. But the reader will find the use and design of fasting more fully discussed in our Institutes. (Book 4, chapter 12:15­21)

5. Is it such a fast as I have chosen? He confirms the preceding statement, and shows that fasting is neither desired nor approved by God in itself, but so far as it is directed to its true end. He did not wish that it should be altogether abolished, but the improper use of it; that is, because they believed the worship of God to consist in it, and by neglecting or even despising true godliness, thought that bodily exercise was enough; just as hypocrites always put forward external ceremonies, as if they were satisfactions to appease God.

Again, because men, through their rashness, define what is the worship of God, he expressly refers us to his own will, that we may not suppose that he approves of everything which our own judgment pronounces to be right. Although men are well pleased with themselves, and swell with astonishing haughtiness, and indulge in insolent boasting, the Lord rejects and abhors them, because he claims for himself alone the right to “choose.” Now, “to choose” a thing is of the same import as “to take pleasure in it.”

And hanging his head like a bulrush. He says that he is not delighted if a man passes a day in hunger, and then walks with a sad and downcast look. The Prophet employs all appropriate metaphor; because the bulrush, though it is straight, is easily bent. So hypocrites bend themselves, and bow down the head, as if under the influence of oppressive leanness, or display some empty appearance of humility. The Prophet therefore intended to censure superstitious attitudes, in which hypocrites imagine that there is some holiness.

And spread sackcloth and ashes. These things also were added to fasting, especially when they made solemn professions of repentance; for they clothed themselves with “sackcloth,” and threw “ashes” on their head. (Joel 1:13) Now, such an exercise was holy and approved by God; and we see that the prophets, while they exhort the people to repentance, cry aloud for “sackcloth and ashes.” But as we have said that fasting is not here condemned on its own account, so Isaiah does not condemn those outward ceremonies, but reproves hypocrites for separating them from reality.

If it be asked, Are “sackcloth” and “ashes” suitable to our time? I reply, they are indifferent matters, which may be used for edification; but in the light of the Gospel, which has brought liberty to us, we have no need of such figures. At the same time, we should attend to the difference between Eastern nations, which make use of a great abundance and variety of ceremonies, and Western nations, whose habits are far more simple. If we wished to imitate the former, it would be nothing else than to enact the part of apes, or of stage­players. Yet there is nothing to hinder those who intend to confess their guilt, from wearing soiled and faltered garments, after the manner used by suppliants. ¹²¹¹²¹     “Selon la coustume des criminels qui demandent misericorde.” “According to the custom of criminals who implore mercy.”

A day acceptable to Jehovah. Hence it is evident that to solemn prayer, when a holy assembly was held, there was added fasting; for fasting, as we have already said, is an appendage to prayer; as we see that it was added to prayer by Christ himself. (Matthew 17:21) It is not appointed, therefore, for its own sake, but is directed to a different end.

6. Is not this the fast which I have chosen? The Prophet shows what are the real duties of piety, and what God chiefly recommends to us; namely, to relieve those who are wretched and pressed with a heavy burden. But the Prophet appears to abolish fasting universally, when, in place of it, he enumerates those works which are most highly acceptable to God. I reply, fasting is approved when it is accompanied by that love which we owe to our fellow­men; and therefore the Prophet directs that we shall be tried by this principle, that our consciences be entire and pure, that we exercise mutual kindness towards each other; for if this order prevail, then fasting, which shall be added to it, will be pleasing and acceptable to God. But here he does not at all mention purity of heart. I reply, it is described by works, as by its fruits, from which it is easily seen what kind of heart we have. Next, he enumerates the duties of the Second Table, under which, as we have elsewhere seen, by a figure of speech in which a part is taken for the whole, he includes the whole observation of the Law; for it would not be enough to assist our neighbor by kind offices, if at the same time we despised God. But we must observe the Prophet’s design; because the love which we owe to our neighbors cannot be sincerely cultivated, unless when we love them in God. In order to make trial of our fear of God, he demands these as more immediate signs, if we live justly, inoffensively, and kindly with each other. Besides, he was not satisfied with outward appearance; and indeed the love of our neighbor does not thrive where the Spirit of God does not reign; and therefore Paul includes it in the enumeration of “the works of the Spirit.” (Galatians 5:22) Thus when the observation of the Law is spoken of, not only outward works, but likewise the dispositions of the heart, must be taken into the account.

To loose wicked bindings. Some explain it to mean “sinful thoughts,” by which the hearts of men are entangled. But Isaiah appears to me to have had another object in view, namely, that hypocrites are exceedingly cruel in distressing the poor, and lay heavy burdens upon them. He therefore calls them “bonds,” or “bindings,” or, as we commonly say, “oppressions.” Of the same import is what he adds, to undo the heavy burdens, under the weight of which the poor groan and are overwhelmed. he again adds, “to let the oppressed go free,” and expresses the same thing in a variety of words. Thus the Prophet does not define what is meant by “fasting,” but shows what the Lord requires in the first place and chiefly, and in what manner our obedience can be approved by him, and what ought to be the dispositions of those who endeavor to fast in a right manner.

7. Is it not to break thy bread to the hungry? He goes on to describe the duties of love of our neighbor, which he had described briefly in the preceding verse; for, having formerly said that we must abstain from every act of injustice, he now shows that we ought to exercise kindness towards the wretched, and those who need our assistance. Uprightness and righteousness are divided into two parts; first, that we should injure nobody; and secondly, that we should bestow our wealth and abundance on the poor and needy. And these two ought to be joined together; for it is not enough to abstain from acts of injustice, if thou refuse thy assistance to the needy; nor will it be of much avail to render thine aid to the needy, if at the same time thou rob some of that which thou bestowest on others. Thou must not relieve thy neighbors by plunder or theft.; and if thou hast committed any act of injustice, or cruelty, or extortion, thou must not, by a pretended compensation, call on God to receive a share of the plunder. These two parts, therefore, must be held together, provided only that we have our love of our neighbor approved and accepted by God.

By commanding them to “break bread to the hungry, ¹²²¹²²     Grotius says that “the bread in those countries was such as could be easily ‘broken,’ [like the thin cakes which are still common in the East]; and that to ‘break,’ consequently, meant to ‘impart,’ or to distribute. The phraseology is borrowed from the breaking of the bread which is distributed by the head of a family to the domestics at his table.” — Rosenmuller. he intended to take away every excuse from covetous and greedy men, who allege that they have a right to keep possession of that which is their own. “This is mine, and therefore I may keep it for myself. Why should I make common property of that which God has given me?“ He replies, “It is indeed thine, but on this condition, that thou share it with the hungry and thirsty, not that thou eat it thyself alone.” And indeed this is the dictate of common sense, that the hungry are deprived of their just right, if their hunger is not relieved. That sad spectacle extorts compassion even from the cruel and barbarous. He next enumerates various kinds, which commonly bend hearts of iron to συμπάθειαν fellow­feeling or compassion; that the savage disposition of those who are not moved by feeling for a brother’s poverty and necessity may be the less excusable. At length he concludes —

And that thou hide not thyself from thine own flesh. Here we ought to observe the term flesh, by which he means all men universally, not one of whom we can behold, without seeing, as in a mirror, “our own flesh.” It is therefore a proof of the greatest inhumanity, to despise those in whom we are constrained to recognize our own likeness.