7 Bible Verses about Yeast

He spoke another parable to them; The kingdom of heaven is like leaven which a woman took and hid in three sata [33 quarts] of flour, till the whole was leavened.

Again he said, To what shall I liken the kingdom of God? It is like leaven which a woman took and hid in three sata [33 quarts] of flour, till the whole was leavened.

Your rejoicing is not good. Do you not know that a little leaven leavens the whole mass? Remove the old leaven, that you may be a new mass, as you are unleavened; for Christ our passover was also sacrificed for us. Let us therefore keep the feast, not with old leaven, nor with a leaven of vice and wickedness, but with the unleavened bread of sincerity and truth.

And when his disciples came to the other side they forgot to take bread. And Jesus said to them, Observe and beware of the leaven of the Pharisees and Sadducees. But they reasoned within themselves, saying, It is because we have not taken bread.read more.
But Jesus knowing it, said, Why do you reason within yourselves, men of little faith, because you have not taken bread? Do you not yet understand nor remember the five loaves of the five thousand, and how many travelling-baskets you took up? nor the seven loaves of the four thousand, and how many store-baskets you took up? Why do you not understand that I spoke to you not of bread, to beware of the leaven of the Pharisees and Sadducees? Then they understood that he did not tell them to beware of the leaven of bread, but of the teaching of the Pharisees and Sadducees.

And they forgot to take bread, and had but one loaf with them in the ship. And he charged them, saying, Observe and beware of the leaven of the Pharisees, and of the leaven of Herod. And they reasoned with themselves, because they had no bread.read more.
And Jesus knowing it, said to them, Why do you reason because you have no bread? Do you not yet perceive nor understand? Is your heart hardened? Having eyes, do you not see? And having ears, do you not hear? And do you not remember? When I broke the five loaves for the five thousand, how many traveling baskets of fragments took you up? They said to him, Twelve. And when I broke the seven loaves for the four thousand, how many store-baskets of fragments took you up? And they said, Seven. And he said to them, Do you not yet understand?

AT that time, the multitude being assembled by ten thousands, so that they trod one on another, he said to his disciples, Beware, first, of the leaven of the Pharisees, which is hypocrisy; for there is nothing concealed that shall not be revealed, nor hid that shall not be known. Whatever, therefore, you have said in the darkness, shall be heard in the light; and what you have spoken to the ear in private rooms, shall be proclaimed on the houses.

Behold, I Paul tell you, that if you are circumcised Christ will not profit you. For I testify again to every man that is circumcised, that he is bound to perform the whole law. You have departed from Christ, whoever of you are justified by the law, you have fallen from the grace.read more.
For we wait in spirit for the hope of righteousness, by faith. For in Christ Jesus neither circumcision avails any thing nor uncircumcision, but faith which works by love. You ran well; who hindered you from obeying the truth? This persuasion is not of him that calls you. A little leaven leavens the whole mass. I have confidence in you, in the Lord, that you will not be of another mind; but he that troubles you shall bear his sin, whoever he is. And I, brothers, if I preach circumcision, why am I yet persecuted? Then has the offense of the cross ceased. I would that they were cut off that disturb you.