Bible Verses about Leaven of the Pharisees
Now when His disciples had come to the other side, they had forgotten to take bread. Then Jesus said to them, "Take heed and beware of the leaven of the Pharisees and the Sadducees." And they reasoned among themselves, saying, "It is because we have taken no bread." But Jesus, being aware of it, said to them, "O you of little faith, why do you reason among yourselves because you have brought no bread? Do you not yet understand, or remember the five loaves of the five thousand and how many baskets you took up? Nor the seven loaves of the four thousand and how many large baskets you took up? How is it you do not understand that I did not speak to you concerning bread?—but 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 doctrine of the Pharisees and Sadducees.
Then He charged them, saying, 'Take heed, beware of the leaven of the Pharisees and the leaven of Herod.'
In the meantime, when an innumerable multitude of people had gathered together, so that they trampled one another, He began to say to His disciples first of all, "Beware of the leaven of the Pharisees, which is hypocrisy.
For I say to you, that unless your righteousness exceeds the righteousness of the scribes and Pharisees, you will by no means enter the kingdom of heaven.
Another parable He spoke to them: "The kingdom of heaven is like leaven, which a woman took and hid in three measures of meal till it was all leavened."
"Judge not, that you be not judged. For with what judgment you judge, you will be judged; and with the measure you use, it will be measured back to you. And why do you look at the speck in your brother's eye, but do not consider the plank in your own eye? Or how can you say to your brother, "Let me remove the speck from your eye"; and look, a plank is in your own eye? Hypocrite! First remove the plank from your own eye, and then you will see clearly to remove the speck from your brother's eye.
Then Jesus spoke to the multitudes and to His disciples, saying: “The scribes and the Pharisees sit in Moses’ seat. Therefore whatever they tell you to observe,that observe and do, but do not do according to their works; for they say, and do not do.
“Woe to you, scribes and Pharisees, hypocrites! For you cleanse the outside of the cup and dish, but inside they are full of extortion and self-indulgence.
For laying aside the commandment of God, you hold the tradition of men—the washing of pitchers and cups, and many other such things you do."
It is like leaven, which a woman took and hid in three measures of meal till it was all leavened."