Moses and Aaron here receive of the Lord what they were afterwards to deliver to the people concerning the ordinance of the passover, to which is prefixed an order for a new style to be observed in their months (v. 1, 2): This shall be to you the beginning of months. They had hitherto begun their year from the middle of September, but henceforward they were to begin it from the middle of March, at least in all their ecclesiastical computations. Note, It is good to begin the day, and begin the year, and especially to begin our lives, with God. This new calculation began the year with the spring, which reneweth the face of the earth, and was used as a figure of the coming of Christ, Cant. ii. 11, 12. We may suppose that, while Moses was bringing the ten plagues upon the Egyptians, he was directing the Israelites to prepare for their departure at an hour's warning. Probably he had be degrees brought them near together from their dispersions, for their are here called the congregation of Israel (v. 3), and to them as a congregation orders are here sent. Their amazement and hurry, it is easy to suppose, were great; yet now they must apply themselves to the observance of a sacred rite, to the honour of God. Note, When our heads are fullest of care, and our hands of business, yet we must not forget our religion, nor suffer ourselves to be indisposed for acts of devotion.
I. God appointed that on the night wherein they were to go out of Egypt they should, in each of their families, kill a lamb, or that two or three families, if they were small, should join for a lamb. The lamb was to be got ready four days before and that afternoon they were to kill it (v. 6) as a sacrifice; not strictly, for it was not offered upon the altar, but as a religious ceremony, acknowledging God's goodness to them, not only in preserving them from, but in delivering them by, the plagues inflicted on the Egyptians. See the antiquity of family-religion; and see the convenience of the joining of small families together for religious worship, that it may be made the more solemn.
II. The lamb so slain they were to eat, roasted (we may suppose, in its several quarters), with unleavened bread and bitter herbs, because they were to eat it in haste (v. 11), and to leave none of it until the morning; for God would have them to depend upon him for their daily bread, and not to take thought for the morrow. He that led them would feed them.
III. Before they ate the flesh of the lamb, they were to sprinkle the blood upon the doorposts, v. 7. By this their houses were to be distinguished from the houses of the Egyptians, and so their first-born secured from the sword of the destroying angel, v. 12, 13. Dreadful work was to be made this night in Egypt; all the first-born both of man and beast were to be slain, and judgment executed upon the gods of Egypt. Moses does not mention the fulfillment, in this chapter, yet he speaks of it Num. xxxiii. 4. It is very probable that the idols which the Egyptians worshipped were destroyed, those of metal melted, those of wood consumed, and those of stone broken to pieces, whence Jethro infers (ch. xviii. 11), The Lord is greater than all gods. The same angel that destroyed their first-born demolished their idols, which were no less dear to them. For the protection of Israel from this plague they were ordered to sprinkle the blood of the lamb upon the door-posts, their doing which would be accepted as an instance of their faith in the divine warnings and their obedience to the divine precepts. Note, 1. If in times of common calamity God will secure his own people, and set a mark upon them; they shall be hidden either in heaven or under heaven, preserved either from the stroke of judgments or at least from the sting of them. 2. The blood of sprinkling is the saint's security in times of common calamity; it is this that marks them for God, pacifies conscience, and gives them boldness of access to the throne of grace, and so becomes a wall of protection round them and a wall of partition between them and the children of this world.
IV. This was to be annually observed as a feast of the Lord in their generations, to which the feast of unleavened bread was annexed, during which, for seven days, they were to eat no bread but what was unleavened, in remembrance of their being confined to such bread, of necessity, for many days after they came out of Egypt, v. 14-20. The appointment is inculcated for their better direction, and that they might not mistake concerning it, and to awaken those who perhaps in Egypt had grown generally very stupid and careless in the matters of religion to a diligent observance of the institution. Now, without doubt, there was much of the gospel in this ordinance; it is often referred to in the New Testament, and, in it, to us is the gospel preached, and not to them only, who could not stedfastly look to the end of these things, Heb. iv. 2; 2 Cor. iii. 13.
1. The paschal lamb was typical. Christ is our Passover, 1 Cor. v. 7. (1.) It was to be a lamb; and Christ is the Lamb of God (John i. 29), often in the Revelation called the Lamb, meek and innocent as a lamb, dumb before the shearers, before the butchers. (2.) It was to be a male of the first year (v. 5), in its prime; Christ offered up himself in the midst of his days, not in infancy with the babes of Bethlehem. It denotes the strength and sufficiency of the Lord Jesus, on whom our help was laid. (3.) It was to be without blemish (v. 5), denoting the purity of the Lord Jesus, a Lamb without spot, 1 Pet. i. 19. The judge that condemned him (as if his trial were only like the scrutiny that was made concerning the sacrifices, whether they were without blemish or no) pronounced him innocent. (4.) It was to be set apart four days before (v. 3, 6), denoting the designation of the Lord Jesus to be a Saviour, both in the purpose and in the promise. It is very observable that as Christ was crucified at the passover, so he solemnly entered into Jerusalem four days before, the very day that the paschal lamb was set apart. (5.) It was to be slain, and roasted with fire (v. 6-9), denoting the exquisite sufferings of the Lord Jesus, even unto death, the death of the cross. The wrath of God is as fire, and Christ was made a curse for us. (6.) It was to be killed by the whole congregation between the two evenings, that is, between three o'clock and six. Christ suffered in the end of the world (Heb. ix. 26), by the hand of the Jews, the whole multitude of them (Luke xxiii. 18), and for the good of all his spiritual Israel. (7.) Not a bone of it must be broken (v. 46), which is expressly said to be fulfilled in Christ (John xix. 33, 36), denoting the unbroken strength of the Lord Jesus.
2. The sprinkling of the blood was typical. (1.) It was not enough that the blood of the lamb was shed, but it must be sprinkled, denoting the application of the merits of Christ's death to our souls; we must receive the atonement, Rom. v. 11. (2.) It was to be sprinkled with a bunch of hyssop (v. 22) dipped in the basin. The everlasting covenant, like the basin, in the conservatory of this blood, the benefits and privileges purchased by it are laid up for us there; faith is the bunch of hyssop by which we apply the promises to ourselves and the benefits of the blood of Christ laid up in them. (3.) It was to be sprinkled upon the door-posts, denoting the open profession we are to make of faith in Christ, and obedience to him, as those that are not ashamed to own our dependence upon him. The mark of the beast may be received on the forehead or in the right hand, but the seal of the Lamb is always in the forehead, Rev. vii. 3. There is a back-way to hell, but no back-way to heaven; no, the only way to this is a high-way, Isa. xxxv. 8. (4.) It was to be sprinkled upon the lintel and the sideposts, but not upon the threshold (v. 7), which cautions us to take heed of trampling under foot the blood of the covenant, Heb. x. 29. It is precious blood, and must be precious to us. (5.) The blood, thus sprinkled, was a means of the preservation of the Israelites from the destroying angel, who had nothing to do where the blood was. If the blood of Christ be sprinkled upon our consciences, it will be our protection from the wrath of God, the curse of the law, and the damnation of hell, Rom. viii. 1.
3. The solemnly eating of the lamb was typical of our gospel-duty to Christ. (1.) The paschal lamb was killed, not to be looked upon only, but to be fed upon; so we must by faith make Christ ours, as we do that which we eat, and we must receive spiritual strength and nourishment from him, as from our food, and have delight and satisfaction in him, as we have in eating and drinking when we are hungry or thirsty: see John vi. 53-55. (2.) It was to be all eaten; those that by faith feed upon Christ must feed upon a whole Christ; they must take Christ and his yoke, Christ and his cross, as well as Christ and his crown. Is Christ divided? Those hat gather much of Christ will have nothing over. (3.) It was to be eaten immediately, not deferred till morning, v. 10. To-day Christ is offered, and is to be accepted while it is called to-day, before we sleep the sleep of death. (4.) It was to be eaten with bitter herbs (v. 8), in remembrance of the bitterness of their bondage in Egypt. We must feed upon Christ with sorrow and brokenness of heart, in remembrance of sin; this will give an admirable relish to the paschal lamb. Christ will be sweet to us if sin be bitter. (5.) It was to be eaten in a departing posture (v. 11); when we feed upon Christ by faith we must absolutely forsake the rule and dominion of sin, shake off Pharaoh's yoke; and we must sit loose to the world, and every thing in it, forsake all for Christ, and reckon it no bad bargain, Heb. xiii. 13, 14.
4. The feast of unleavened bread was typical of the Christian life, 1 Cor. v. 7, 8. Having received Christ Jesus the Lord, (1.) We must keep a feast in holy joy, continually delighting ourselves in Christ Jesus; no manner of work must be done (v. 16), no care admitted or indulged, inconsistent with, or prejudicial to, this holy joy: if true believers have not a continual feast, it is their own fault. (2.) It must be a feast of unleavened bread, kept in charity, without the leaven of malice, and insincerity, without the leaven of hypocrisy. The law was very strict as to the passover, and the Jews were so in their usages, that no leaven should be found in their houses, v. 19. All the old leaven of sin must be put far from us, with the utmost caution and abhorrence, if we would keep the feast of a holy life to the honour of Christ. (3.) It was by an ordinance for ever (v. 17); as long as we live, we must continue feeding upon Christ and rejoicing in him, always making thankful mention of the great things he has done for us.