For seven days no leaven is to be found in your houses. If anyone eats what is leavened, that person will be cut off from the congregation of Israel, whether he is a sojourner or a native of the land.
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 (Exo 12:1, Exo 12:2): This shall be to you the beginning of months.
Commenting on Exodus 12:1-20
Seven days there shall be no leaven found in your houses,..... Wherefore, on the fourteenth day the most diligent search was made, and whatever was found was burnt, or cast into the sea, or dispersed with the wind; about which the traditionary writers of the Jews, give many rules and canons; see Gill on Exo 12:15, for whoso eateth that which is leavened, even that...
UNLEAVENED BREAD. (Exo. 12:15-51) Seven days shall ye eat unleavened bread, &c.--This was to commemorate another circumstance in the departure of the Israelites, who were urged to leave so hurriedly that their dough was unleavened (Exo 12:39), and they had to eat unleavened cakes (Deu 16:3).
Commenting on Exodus 12:15-51