Purging Out The Old Leaven.  1 Corinthians 5:7-8 Therefore purge out the old leaven, that you may be a new lump, since you truly are unleavened. For indeed Christ, our Passover, was sacrificed for us. Therefore let us keep the feast, not with old leaven, nor with the leaven of...

Feast of Unleavened Bread.  Exodus 13:6-8 Seven days you shall eat unleavened bread, and on the seventh day there shall be a feast to the Lord.  Unleavened bread shall be eaten seven days. And no leavened bread shall be seen among you, nor shall leaven be seen among you in...