Exodus 12:12-14

Douay-Rheims 1899 American Edition

¹² And I will pass through the land of Egypt that night, and will kill every firstborn in the land of Egypt both man and beast: and against all the gods of Egypt I will execute judgments: I am the Lord.

¹³ And the blood shall be unto you for a sign in the houses where you shall be: and I shall see the blood, and shall pass over you: and the plague shall not be upon you to destroy you, when I shall strike the land of Egypt.

¹⁴ And this day shall be for a memorial to you: and you shall keep it a feast to the Lord in your generations with an everlasting observance.