Exodus 12:21

I. Moses is here, as a faithful steward in God's house, teaching the children of Israel to observe all things which God had commanded him; and no doubt he gave the instructions as largely as he received them, though they are not so largely recorded. It is here added, 1. That this night, when the first-born were to be destroyed, no Israelite must stir out of doors till morning, that is, till towards morning, when they would be called to march out of Egypt, Exo 12:22. Not but that the destroying angel could have known an Israelite from an Egyptian in the street; but God would intimate to them that their safety was owing to the blood of sprinkling; if they put themselves from under the protection of that, it was at their peril. Those whom God has marked for himself must not mingle with evil doers: see Isa 26:20, Isa 26:21. They must not go out of the doors, lest they should straggle and be out of the way when they should be summoned to depart: they must stay within, to wait for the salvation of the Lord, and it is good to do so. 2. That hereafter they should carefully teach their children the meaning of this service, Exo 12:26, Exo 12:27. Observe, (1.) The question which the children would ask concerning this solemnity (which they would soon take notice of in the family): "What mean you by this service? What is he meaning of all this care and exactness about eating this lamb, and this unleavened bread, more than about common food? Why such a difference between this meal and other meals?" Note, [1.] It is a good thing to see children inquisitive about the things of God; it is to be hoped that those who are careful to ask for the way will find it. Christ himself, when a child, heard and asked questions, Luk 2:46. [2.] It concerns us all rightly to understand the meaning of t…