Exodus 13:7
Therefore thou shalt eat sweet bread seven days, and see that there be no leavened bread seen nor yet leaven among you in all your quarters.
Exodus 12:19
Seven days see that there be no leavened bread found in your houses. For whosoever eateth leavened bread, that soul shall be rooted out from the multitude of Israel: whether he be a stranger or born in the land.
Matthew 16:6
Then Jesus said unto them, "Take heed, and beware of the leaven of the Pharisees, and of the Sadducees."
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