Exodus 13:14-16 Douay-Rheims 1899 American Edition (DRA)
14 And when thy son shall ask thee to morrow, saying: What is this? thou shalt answer him: With a strong hand did the Lord bring us forth out of the land of Egypt, out of the house of bondage.
15 For when Pharao was hardened, and would not let us go, the Lord slew every firstborn in the land of Egypt, from the firstborn of man to the firstborn of beasts: therefore I sacrifice to the Lord all that openeth the womb of the male sex, and all the firstborn of my sons I redeem.
16 And it shall be as a sign in thy hand, and as a thing hung between thy eyes, for a remembrance: because the Lord hath brought us forth out of Egypt by a strong hand.