The Sabbath of Ceasing From Leaven

In Exodus 12:15, as it reads in most Bible versions, we find a puzzling statement. God commanded His people, “Seven days you shall eat unleavened bread. On the first day you shall remove leaven from your houses. For whoever eats leavened bread from the first day until the seventh day, that person shall be cut off from Israel” (NKJV). “On the first day you shall remove leaven from your houses.” This wording makes it sound as if we should deleaven our houses on the First Day of Unleavened Bread, a Holy Day! And yet, a few verses later, we discover, “For seven days no leaven shall be found in your houses, since whoever eats what is leavened, that same person shall be cut off from the congregation of Israel, whether he is a stranger or a native of the land” (Ex. 12:19). If no leaven is to be found in our houses for seven days, then obviously it cannot be found in our houses on the First Day, either! It must already be gone by then. So what’s the meaning of v. 15? It becomes a little...