Exodus 13:1-4

And Jehovah speaketh unto Moses, saying,

`Sanctify to Me every first-born, opening any womb among the sons of Israel, among man and among beast; it is Mine.'

And Moses saith unto the people, `Remember this day in which ye have gone out from Egypt, from the house of servants, for by strength of hand hath Jehovah brought you out from this, and any thing fermented is not eaten;