“I will execute judgment against the gods of Egypt, for I am the LORD! But the blood on your doorposts will serve as a sign marking the houses where you are staying. When I see the blood, I will pass over you.”
The LORD knew, of course, the houses where the Israelites were staying. By making the Israelites mark their doorposts with the blood of a sacrificial lamb, he was making an indelible impression on them. He was also pointing to the future…
