Mark 8:15

⁶Your boasting is not good. Don’t you know that a little yeast leavens the whole lump? ⁷Purge out the old yeast, that you may be a new lump, even as you are unleavened. For indeed Christ, our Passover, has been sacrificed in our place. ⁸Therefore let’s keep the feast, not with old yeast, neither with the yeast of malice and wickedness, but with the unleavened bread of sincerity and truth.

⁶Jesus said to them, “Take heed and beware of the yeast of the Pharisees and Sadducees.”

¹³They sent some of the Pharisees and the Herodians to him, that they might trap him with words.

¹¹How is it that you don’t perceive that I didn’t speak to you concerning bread? But beware of the yeast of the Pharisees and Sadducees.”

¹²Then they understood that he didn’t tell them to beware of the yeast of bread, but of the teaching of the Pharisees and Sadducees.

¹Meanwhile, when a multitude of many thousands had gathered together, so much so that they trampled on each other, he began to tell his disciples first of all, “Beware of the yeast of the Pharisees, which is hypocrisy. ²But there is nothing covered up that will not be revealed, nor hidden that will not be known.

¹⁸In the first month, on the fourteenth day of the month at evening, you shall eat unleavened bread, until the twenty first day of the month at evening. ¹⁹There shall be no yeast found in your houses for seven days, for whoever eats that which is leavened, that soul shall be cut off from the congregation of Israel, whether he is a foreigner, or one who is born in the land. ²⁰You shall eat nothing leavened. In all your habitations you shall eat unleavened bread.’”

¹¹“‘No meal offering which you shall offer to the LORD shall be made with yeast; for you shall burn no yeast, nor any honey, as an offering made by fire to the LORD.

²⁷If you stop listening to instruction, my son, you will stray from the words of knowledge.

¹At that time, Herod the tetrarch heard the report concerning Jesus,

¹³I command you before God who gives life to all things, and before Christ Jesus who before Pontius Pilate testified the good confession,