Lernen
29 And it came to pass at midnight, that Jehovah smote all the first-born in the land of Egypt, from the first-born of Pharaoh that sat on his throne unto the first-born of the captive that was in the dungeon; and all the first-born of cattle.
21 And the king commanded all the people, saying, Keep the passover unto Jehovah your God, as it is written in this book of the covenant.