In previous pages we have seen how Isaiah's vision of Jehovah throned in the Temple, 'high and lifted up,' derived significance from the time of its occurrence. It was 'in the year that' the earthly King 'died' that the heavenly King was revealed. The passing of the transient prepared the way for the revelation of the Eternal, and the revelation of the Eternal more than compensated for the passing of the transient. But strengthening and calming as these thoughts are, they by no means exhaust the purpose of the vision, nor do they describe all its effects on the recipient. These were, first and immediately, the consciousness of unworthiness and sin, expressed in the words that I have taken for my text. Then came the touch of the 'live coal from the altar,' laid on the unclean lips by the seraph; and on that followed willing surrender for a perilous service.

These three stages flowing from the vision of God, recognition of sin, experience of purging, abandonment to obedience and service, must be repeated in us all, if we are to live worthy lives. There may be much that is beautiful and elevating and noble without these; but unless in some measure we pass through the prophet's experience, we shall fail to reach the highest possibilities of beauty and of service that open before us. So I wish to consider, very simply, these three stages in my remarks now.

I. If we see God we shall see our sin.

There came on the prophet, as in a flash, the two convictions, one which he learned from the song of the seraphs, ringing in music through the Temple, and one which rose up, like an answering note from the voice of conscience within. They sang 'Holy! holy! holy! Lord God Almighty.' And what was the response to that, in the prophet's heart?—'I am unclean.' Each major note has a corresponding minor, and the triumphant doxology of the seraph wakes in the hearer's conscience the lowly confession of personal unlikeness to the holiness of God. It was not joy that sprang in Isaiah's heart when he saw the throned King, and heard the proclamation of His name. It was not reverence merely that bowed his head in the dust, but it was the awakened consciousness, 'Thou art holy; and now that I understand, in some measure, what Thy holiness means, I look on myself and I say, "unclean! unclean!"'

The prophet's confession assumes a form which may strike us as somewhat singular. Why is it that he speaks of 'unclean lips,' rather than of an unclean heart? I suppose partly because, in a very deep sense, a man's words are more accurately a cast, as it were, from a man's character than even his actions, and partly because the immediate occasion of his confession was the words of the seraphim, and he could not but contrast what came burning from their pure lips with what had trickled from, and soiled, his own.

But, however expressed, the consciousness of personal unlikeness to the holiness of God is the first result, and the instantaneous result, of any real apprehension of that holiness, and of any true vision of Him. Like some search-light flung from a ship over the darkling waters, revealing the dark doings of the enemy away out yonder in the night, the thought of God and His holiness streaming in upon a man's soul, if it does so in any adequate measure, is sure to disclose the heaving waters and the skulking foes that are busy in the dark.

But it was not only the consciousness of sinfulness and antagonism that woke up instantaneously in response to that vision of the holy God. It was likewise a shrinking apprehension of personal evil from contact of God's light with Isaiah's darkness. 'Who shall ascend into the hill of the Lord? He that hath clean hands and a pure heart.' What is to become, then, of the man that has neither the one nor the other? The experience of all the world witnesses that whenever there comes, in reality, or in a man's conceptions or fancy, the contact of the supernatural, as it is called, with the natural, there is a shrinking, a sense of eerieness, an apprehension of vague possibilities of evil. The sleeping snake that is coiled in every soul stirs and begins to heave in its bulk, and wake, when the thought of a holy God comes into the heart. Now, I do not suppose that consciousness of sin is the whole explanation of that universal human feeling, but I am very sure it is an element in it, and I suspect that if there were no sin, there would be no shrinking.

At all events, be that as it may, these are the two thoughts that, involuntarily and spontaneously and immediately, sprang in this man's heart when his purged eyes saw the King on His throne. He did not leap up with gladness at the vision. Its consolatory and its strengthening aspects were not the first that impinged upon his eye, or upon his consciousness, but the first thing was an instinctive recoil, 'Woe is me; I am undone.' Now, brethren, I venture to think that one main difference between shallow religion and real is to be found here, that the dim, far-off vision, if we may venture to call it so, which serves the most of us for a sight of God, leaves us quite complacent, and with very slight and superficial conceptions of our own evil, and that if once we saw, in so far as it is possible for humanity to-day to see, God as He is, and heard in the depths of our hearts that 'Holy! holy! holy!' from the burning seraphim, the easy-going, self-satisfied judgment of ourselves which too many of us cherish would be utterly impossible; and would disappear, shrivelled up utterly in the light of God. 'I have heard of Thee by the hearing of the ear,' said Job, 'but now mine eye seeth Thee; therefore I abhor myself, and repent in dust and ashes.' A hearsay God and a self-complacent beholder—a God really seen, and a man down in the dust before Him! Has that vision ever blazed in on you? And if it has, has not the light shown you the seaminess of much in which a dimmer light detects no flaws or stains? Thank God if, having seen Him, you see yourselves. If you have not felt, 'I am unclean and undone,' depend upon it, your knowledge of God is faint and dim, and He is rather One heard of from the lips of others than realised in your own experience.

II. Again, note the second stage here, in the education of a soul for service—the sin, recognised and repented, is burned away.

'Then flew one of the seraphim unto me, having a live coal in his hand, which he had taken with the tongs from off the altar; and he laid it upon my mouth, and said, Lo! this hath touched thy lips; and thine iniquity is taken away, and thy sin purged.'