The animal invested with this representative character is next to be slain by the offerer, not by the priest, who only performed that part of the ritual in the case of national or public sacrifices. That was distinctly a vicarious death; and, as inflicted by the hand of the person represented by the animal, he thereby acknowledged that its death was the wages of his sin, and allowed the justice of his condemnation, while he presented this innocent life--innocent because not that of a moral being--as his substitute. So far the worshipper's part goes. But now, when the act of expiation is to be symbolically represented, and, so far as outward sacrifice could, is to be accomplished, another actor appears. The priest comes forward as mediator between God and man, and applies the blood to the altar. The difference between the sprinkling of the blood, in the burnt offerings and in the other sacrifices, which had expiation for their principal object, in some of which it was smeared on the horns of the altar, and, in the most solemn of all, was carried into the holiest place, and sprinkled on the mercy-seat, suggests that the essential character of the burnt offering was not expiatory, though expiation was the foundation on which alone the essential character could be reared. The application of the blood was the formal act by which atonement was made. The word rendered 'to make atonement' means 'to cover'; and the idea conveyed is that the blood, which is the life of the sacrifice, covers the sins of the offerer, so as to make them powerless to dam back the love or to precipitate the wrath of God.
With this act the expiatory portion of the ritual ends, and we may here pause to look back for a moment on it as a whole. We have pointed out the double bearings of the Mosaic ritual as symbolical and as typical or prophetic. In the former aspect, the emphatic teaching of this rite is that 'the wages of sin is death,' that 'without shedding of blood there is no remission,' that God has appointed sacrifice as the means of entering into fellowship with Him, and that substitution and vicarious penalty are facts in His government. We may like or dislike these thoughts; we may call them gross, barbarous, immoral, and the like, but, at all events, we ought not to deny that they are ingrained in the Mosaic sacrificial system, which becomes unmeaning elaboration of empty and often repulsive ceremonies, if they are not recognised as its very centre. Of course, the meaning of the sacrifices was hidden from many a worshipper. They became opaque instead of transparent, and hid the great truth which they were meant to reveal. All forms labour under that disadvantage; but that they were significant in design, and largely so to devout hearts in effect, admits of no reasonable doubt. That which they signified was chiefly the putting away of sin by the sacrifice of innocent life, which stood in the place of the guilty. Of course, too, their benefit was symbolical, and the blood of bulls and goats could never put away sin; but, under the shelter of the outward forms, a more spiritual insight gradually grew up, such as breathes in many a psalm, and such as, we cannot doubt, filled the heart of many a worshipper, as he stood by the bleeding sacrifice on which his own hands had laid the burden that had weighed so heavy on himself. How far the prophetic aspect of the sacrifices was discerned, is a more difficult question. But this at least we know--that the highest level of evangelical prophecy, in Isaiah's wonderful fifty-third chapter, is reached from this vantage-ground. It is the flower of which these ordinances are the root. We need not enlarge upon the prophetic aspect of the sacrifice. The mere negative sinlessness of the victim points to the 'Lamb without blemish and without spot,' on whom, as Isaiah says, in language dyed through and through with sacrificial references, 'the Lord hath made to meet the iniquity of us all,' and who Himself makes 'His soul an offering for sin.' The modern tendency to bring down the sacrificial system to a late date surely sins against the sacred and all-explaining law of evolution, in the name of which it is attempted, inasmuch as it is an unheard-of thing for the earlier stages of a religion to be less clogged with ceremonial than the later. Psalmist and prophet first, and priest afterwards, is not the order of development.