Exodus 13:7
Bread made without yeast must be eaten for seven days; no bread made with yeast shall be seen among you, and you must have no yeast among you within any of your borders.
Exodus 12:19
For seven days yeast must not be found in your houses, for whoever eats what is made with yeast -- that person will be cut off from the community of Israel, whether a foreigner or one born in the land.
Matthew 16:6
"Watch out," Jesus said to them, "beware of the yeast of the Pharisees and Sadducees."
Treasury of Scripture Knowledge did not add