There must be no yeast anywhere in your land for seven days. Offer the sacrifice on the evening of the first day, and eat all the meat before morning; do not leave it overnight.
For this feast you must eat bread made without yeast for seven days. On the first day, you are to remove all the yeast from your houses. No one should eat any yeast for the full seven days of the feast, or that person will be cut off from Israel.
Take care of the animals until the fourteenth day of the month. On that day all the people of the community of Israel will kill them in the evening before dark.
“Do not offer the blood of a sacrifice to me with anything containing yeast, and do not leave any of the sacrifice of the Feast of Passover until the next morning.
Then Jesus told another story: “The kingdom of heaven is like yeast that a woman took and hid in a large tub of flour until it made all the dough rise.”