Exodus 13:2 in the World English Bible
“Sanctify to me all the firstborn, whatever opens the womb among the children of Israel, both of man and of animal. It is mine.”
Context
1 And the LORD spake unto Moses, saying,
2 Sanctify unto me all the firstborn, whatsoever openeth the womb among the children of Israel, both of man and of beast: it is mine.
3 And Moses said unto the people, Remember this day, in which ye came out from Egypt, out of the house of bondage; for by strength of hand the LORD brought you out from this place: there shall no leavened bread be eaten.