Deuteronomy 16:3-5

Douay-Rheims 1899 American Edition

³ Thou shalt not eat with it leavened bread: seven days shalt thou eat without leaven, the bread of affliction, because thou camest out of Egypt in fear: that thou mayst remember the day of thy coming out of Egypt, all the days of thy life.

⁴ No leaven shall be seen in all thy coasts for seven days, neither shall any of the flesh of that which was sacrificed the first day in the evening remain until morning.

⁵ Thou mayst not immolate the phase in any one of thy cities, which the Lord thy God will give thee: