Exodus 12:17
And all of you shall observe the feast of unleavened bread; for in this very same day have I brought your armies out of the land of Egypt: therefore shall all of you observe this day in your generations by an ordinance for ever.
And all of you shall observe the feast of unleavened bread; for in this very same day have I brought your armies out of the land of Egypt: therefore shall all of you observe this day in your generations by an ordinance for ever.