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5. Wo to me! for I am undone. The Prophet now relates how powerfully he was affected by that vision; namely that he was so terrified by seeing God; that he expected immediate destruction. He assigns the reason for believing that it is all over with him; because, says he, I am a man of unclean lips

I wonder why Jerome renders it, because I was silent; seeing that there is no ambiguity in the expression. דמה (damah) does indeed signify to be silent, but here the undoubted mark of a passive verb is added. This passage may likewise be rendered, Wo to me! for I have been reduced to silence. In the Scriptures silence is often taken for death and those who have been buried are said to have been reduced to silence. But as the meaning is the same, I will not dispute much about the translation.

The Prophet therefore means, that he was so terrified as to resemble a dead man. And certainly we need not wonder at this; for the whole man, so far as relates to the flesh, must be reduced to nothing, that it may be renewed according to God. Whence comes it that men live, that is, imagine that they live, and are swelled with vain confidence in their wisdom or strength, but because they know not God? Accordingly, until God reveal himself to us, we do not think that we are men, or rather, we think that we are gods; but when we have seen God, we then begin to feel and know what we are. Hence springs true humility, which consists in this, that a man makes no claims for himself, and depends wholly on God; and therefore on this point the present and similar passages ought to be carefully studied.

It was customary with the godly fathers, whenever they saw God, to break out into these words:

I am gone; I am utterly undone. (Judges 13:22.)

Our life, therefore, until our minds earnestly draw near to God, is a vain delusion; we walk in darkness, and can with difficulty distinguish truth from falsehood; but when we come into the light it is easy to perceive the difference. So when God draws near to us, he brings light with him, that we may perceive our worthlessness, which we could not formerly see, while we entertained a false opinion of ourselves.

And yet mine eyes have seen the king, Jehovah of hosts. ⁹³⁹³     For mine eyes have seen the king, the LORD of hosts. — Eng. Ver. But does the sight of God bring death to men? For it appears strange that the sight of God or approach to him should take away life, of which he is the source and giver. I reply that this is an accidental result; for it takes place through our fault, and not on account of the nature of God. Death is within us; but we do not perceive it, unless when it is compared with the life of God. This is unquestionably what the Prophet means; for he does not merely say that he is dead, but assigns the reason, because he has unclean lips.

But why does he confine the pollution to the lips? Was he pure in understanding, or in the other parts of the body? I answer: the Prophet mentions that which he regarded as the most valuable, his tongue, which was consecrated to God; for God had appointed him to be a Prophet. Even though he was in other respects a sinner, yet because the office which he held was holy, this part of his body was sacred; and as it does not correspond to the divine holiness, he confesses that, even in that part which in itself is more holy, he is polluted. Such appears to me to be the true and natural meaning of this passage, in the explanation of which commentators have hitherto been unsuccessful.

And I dwell in the midst of a people of unclean lips. This is added by way of explanation; for he includes himself as an individual in the number of the common people, tainted with that pollution which extends to the whole body, and forgets the purity which he had received from God, because it cannot dwell in his presence. Hence it is evident that they are mistaken who imagine that the Prophet spoke under erroneous views; as the common people are wont to contrive a variety of false notions concerning God. For, as I have said, the presence of God and approach to him is the destruction of our flesh; because it shows that we are nothing in ourselves. When he who is conscious of his wretchedness sees God, what can he expect but destruction? For God is our judge, to whom, we know, nothing is concealed or unknown, in whose sight our purity is impure. And if this happened to the Prophet, what ought we to think of ourselves? For what are we in comparison of him? Even if the LORD hath begun to cleanse us, yet we ought to acknowledge our pollution, the remains of which always continue in our flesh. Hence also we ought to draw a universal doctrine, that the lips of all men are impure and polluted, till the Lord has cleansed them; from which it also follows, that human doctrines have an uncleanness which betrays them, and that there is nothing pure but what has come from God.

6. Then flew one of the seraphim to me. The Prophet shows what kind of relief was brought to him, when he was so terrified as to think that he was a dead man; and this confirms what we have already said, that purity of lips comes from God alone; for men can produce nothing of themselves but what is filthy and abominable. If it be objected that it is absurd to say that the Lord now cleansed him, as if his tongue had formerly been impure and profane, though it had been the instrument employed by the Holy Spirit, I have already replied sufficiently to that objection. The Lord had already cleansed him, but according to his degree. The cleansing which is now added is greater; for it has its enlargements and additions, which no man can obtain all at once.

We must not conclude, therefore, that Isaiah’s lips were impure, because they are now cleansed; but we ought to inquire why it is done. It was because the Lord intended to enlarge and extend his favor towards him, and to raise him to higher dignity, that he might have greater influence over the people; and this was rendered necessary by the character of the times, and the change which had taken place in the state.

The fire was taken from the altar, to intimate that it was divine or heavenly; for the law forbade any strange fire to be brought to it, (Leviticus 10:1,) because in sacred things every human mixture is absolute profanation. By this figure, therefore, Isaiah was taught that all purity flows from God alone.

7. And applying it to my mouth. ⁹⁴⁹⁴     And he laid it upon (marg., caused it to touch) my mouth. — Eng. Ver. We see how God condescends to meet the weakness of human sense. He puts the tongs into the hand of a seraph, that by means of it he may take a coal from the altar and apply it to the Prophet’s mouth. This was, no doubt, done in vision; but by the aid of the outward sign God assisted the Prophet’s understanding. There is no reason to believe that the coal possessed any virtue, as superstitious persons imagine that in the magical arts there is some hidden power. Nothing of this sort is to be found here; for it is God alone who can cleanse our pollution, in whatever part it exists.

Here the angel administered the cleansing, but was not the author of it; so that we must not ascribe to another what belongs to God alone. This is expressly stated by the angel himself, who claims nothing as his own, but bringing forward the sacred pledge which he had received from God, laid it as a sacrament on the lips of the Prophet; not that he could not be cleansed without the coal, but because the visible sign was useful for the confirmation and proof of the fact. And such is the use of sacraments, to strengthen us in proportion to our ignorance; for we are not angels, that can behold the mysteries of God without any assistance, and therefore he raises us to himself by gradual advances.

Lo, this hath touched thy lips. He shows that the confirmation which was obtained by the sign was not without effect, but that the blessing signified by it was at the same time bestowed, so that Isaiah knew that he had not been deceived. Hence we may infer, that in the sacraments the reality is given to us along with the sign; for when the Lord holds out a sacrament, he does not feed our eyes with an empty and unmeaning figure, but joins the truth with it, so as to testify that by means of them he acts upon us efficaciously. And this ought to be the more carefully observed, because there are few persons in the present day who understand the true use of sacraments, and because many godly and learned men are engaged in frequent disputes respecting them.

First of all, we ought to believe that the truth must never be separated from the signs, though it ought to be distinguished from them. We perceive and feel a sign, such as the bread which is put into our hands by the minister in the Lord’s Supper; and because we ought to seek Christ in heaven, our thoughts ought to be carried thither. By the hand of the minister he presents to us his body, that it may be actually enjoyed by the godly, who rise by faith to fellowship with him. He bestows it, therefore, on the godly, who raise their thoughts to him by faith; for he cannot deceive.

Unbelievers indeed receive the sign; but because they linger in the world, and do not arrive at Christ’s heavenly kingdom, they have no experience of the truth; for he who has not faith cannot raise his thoughts to God, and therefore cannot partake of Christ. Faith alone opens for us the gate of the kingdom of God; and therefore, whoever wishes to eat the flesh of Christ must be carried by faith to heaven beyond human conception. In short, it is the Spirit of God alone who can make us partakers of that fellowship. And yet it does not follow that the unbelief of men takes anything away from the truth of the sacrament, since God always presents to us a spiritual matter, but wicked men treat it with scorn; just as the grace of God is offered by the gospel, but all do not receive it, though they actually hear it, and are compelled to yield assent to the truth.

Besides, we learn from this passage that the sacraments are never separated from the word. The angel does not here act the part of a dumb man, but, after having given the sign, immediately adds the doctrine, in order to show what was intended by it; for it would have been no sacrament, if doctrine had not been added, from which Isaiah could learn for what purpose the coal was applied to his mouth. Let us therefore learn that the chief part of the sacraments consists in the word, and that without it they are absolute corruptions, such as we see every day in popery, in which the sacraments are turned into stage-plays. The amount of the whole is, that there is nothing to prevent Isaiah, who has been perfectly cleansed, and is free from all pollution, from appearing as God’s representative.