Exodus 12:13
The blood on the houses where you are staying will distinguish them; when I see the blood, I will pass over you. No plague will fall on you to destroy you when I strike the land of Egypt.

Exodus 12:21
Then Moses summoned all the elders of Israel and told them, "Go at once and select for yourselves a lamb for each family, and slaughter the Passover lamb.

Exodus 12:23
When the LORD passes through to strike down the Egyptians, He will see the blood on the top and the two sideposts and pass over the door; so He will not allow the destroyer to enter your houses and strike you down.

Exodus 12:29
Now at midnight the LORD struck down every firstborn male in the land of Egypt, from the firstborn of Pharaoh, who sat on his throne, to the firstborn of the prisoner in the dungeon, as well as all the firstborn among the livestock.

1 Corinthians 10:10
And do not complain, as some of them did, and were killed by the destroying angel.