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.

⁴⁰ And the abode of the children of Israel that they made in Egypt, was four hundred and thirty years.