Remember – don’t ever forget ¹  – how you provoked the Lord your God in the desert; from the time you left the land of Egypt until you came to this place you were constantly rebelling against him. ² 

You must not eat any yeast with it; for seven days you must eat bread made without yeast, symbolic of affliction, for you came out of Egypt hurriedly. You must do this so you will remember for the rest of your life the day you came out of the land of Egypt.