Matthew Poole's English Annotations on the Holy Bible - Exodus 12:19
A stranger, to wit, a proselyte; for strangers unconverted to the Jewish religion were not obliged nor admitted to the celebration of the passover or feast of unleavened bread. Though I see no inconvenience, if all strangers, though heathens, were forbidden to have or use any unleavened bread at that time, lest the Jews who conversed with them might be tempted to desire or partake of it with them. In the land, to wit, of Canaan, which I have promised to you, and to which I am now leading you,... read more
Matthew Poole's English Annotations on the Holy Bible - Exodus 12:18
Until the one and twentieth day, inclusively. For otherwise they were obliged to eat unleavened bread eight days, viz. on the day of the passover, Exodus 12:8, and seven days after, which is strictly and properly called the feast of unleavened bread, because in them they were tied to that ceremony only, except the two days of a holy convocation. read more