7 Bible Verses about Yeast

Another parable spake He unto them, saying, The gospel-kingdom is like leaven, which a woman took and put into a large quantity of dough, till the whole was leavened.

And again He said, To what shall I compare the kingdom of God? It is like leaven, which a woman took and put into three measures of meal, till the whole was leavened.

Do ye not know that a little leaven leaveneth the whole mass? Purge out therefore the old leaven, that ye may be a new mass, without leaven. For our paschal lamb, even Christ, was slain for us. Wherefore let us keep the feast, not with the old leaven, nor with the leaven of malice and wickedness, but with the unleavening of sincerity and truth.

Now when his disciples departed to the other side, they forgot to take bread with them: and therefore when Jesus said to them, Take heed and beware of the leaven of the pharisees and of the sadducees, they said one to another, It is because we have taken no bread.read more.
And Jesus knowing their thoughts said to them, O ye of little faith, why do ye argue among yourselves, because ye have brought no bread? Do ye not yet understand, nor remember the five loaves divided among five thousand, and how many baskets ye took up? nor the seven loaves among four thousand, and how many baskets-full ye took away? How is it then that ye do not understand that I did not speak to you concerning bread, when I bid you to beware of the leaven of the pharisees and of the sadducees? Then they understood, that He did not bid them beware of the leaven of bread, but of the doctrine of the pharisees and of the sadducees.

And his disciples had forgot to take bread, neither had they any more than one loaf with them in the ship. And therefore as He was giving them a charge, saying, Take heed, beware of the leaven of the pharisees, and of the leaven of Herod, they argued one with another, saying, It is because we have no bread.read more.
And Jesus knowing it saith unto them, What are ye reasoning about? because ye have no bread? Do ye not yet discern nor understand? have ye your heart still hardened? Have ye eyes, and do not see? and having ears, hear ye not? and do ye not remember? When I brake the five loaves among five thousand, how many baskets full of fragments did ye take up? They answer, Twelve. And when I divided the seven among four thousand, how many baskets full of fragments took ye up? and they said, Seven. And He said unto them, How is it then that ye do not understand?

In the mean time great multitudes of people being gathered together about Him, so that they trode upon one another, He began to say to his disciples, Beware of the leaven of the pharisees, which is hypocrisy: for there is nothing concealed, which shall not be discovered; nor hidden which shall not be known. Therefore whatsoever ye have said in darkness shall be heard in the light: and what ye have spoken in the ear in closets shall be proclaimed on the house-tops.

Behold, I Paul say unto you, that if ye be circumcised, Christ will profit you nothing. And I testify again to every man that is circumcised, that he is a debtor to the whole law. Christ is become nothing to you, whosoever of you are seeking to be justified by the law: ye are fallen from the grace of the gospel.read more.
For we through the Spirit wait for the hope of righteousness by faith. For in Christ Jesus neither circumcision availeth any thing, nor uncircumcision, but faith which worketh by love. Ye did run well: who hindered you from obeying the truth? This persuasion came not from him that called you: but a little leaven leaveneth the whole mass. I have confidence in you however through the Lord, that ye will not think otherwise: but he that troubleth you shall bear his judgement, whosoever he be. And I, brethren, if I still preach circumcision, why am I still persecuted by the Jews? for then the offence of the cross is ceased. I wish they were even cut off from your communion, that make such disturbance amongst you.