Exodus 13:12-16

12sacrifice every firstborn male offspring to the Lord. The firstborn male offspring of each of your animals belongs to the Lord.

13It will cost you a sheep or a goat to buy any firstborn donkey back from the Lord. If you don’t buy it back, then you must break the donkey’s neck. You must also buy every firstborn son back from the Lord.

14“In the future when your children ask you what this means, tell them, ‘The Lord used his mighty hand to bring us out of slavery in Egypt.

15When Pharaoh was too stubborn to let us go, the Lord killed every firstborn male in Egypt—human and animal. This is why we sacrifice every firstborn male to the Lord and buy every firstborn son back from the Lord.’

16So this ⌞festival⌟ will be ⌞like⌟ a mark on your hand and ⌞like⌟ a band on your forehead, because the Lord used his mighty hand to bring us out of Egypt.”