Seven days shall there be no leaven found in your houses, for whoever eats that which is leavened, that person shall be cut off from the congregation of Israel, whether he be a stranger or born in the land.
Then Moses called for all the elders of Israel and said to them, “Draw out and take for yourselves a lamb according to your families and kill the Passover lamb.
He told them another parable: “The kingdom of heaven is like yeast which a woman took and mixed in sixty pounds of meal until it had leavened the whole batch.”