Mat 13:33 He told them another parable. “The kingdom of heaven is like leaven that a woman took and hid in three measures of flour, till it was all leavened.”

Mat 16:6 Jesus said to them, Watch and beware of the leaven of the Pharisees and Sadducees.”
Mat 16:11 How is it that you fail to understand that I did not speak about bread? Beware of the leaven of the Pharisees and Sadducees.”
Mat 16:12 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.

Mar 8:15 And he cautioned them, saying, “Watch out; beware of the leaven of the Pharisees and the leaven of Herod.”

Luk 12:1 In the meantime, when so many thousands of the people had gathered together that they were trampling one another, he began to say to his disciples first, Beware of the leaven of the Pharisees, which is hypocrisy.
Luk 13:21 It is like leaven that a woman took and hid in three measures of flour, until it was all leavened.”

1Cor 5:6 Your boasting is not good. Do you not know that a little leaven leavens the whole lump?
1Cor 5:7 Cleanse out the old leaven that you may be a new lump, as you really are unleavened. For Christ, our Passover lamb, has been sacrificed.
1Cor 5:8 Let us therefore celebrate the festival, not with the old leaven, the leaven of malice and evil, but with the unleavened bread of sincerity and truth.

Gal 5:9 A little leaven leavens the whole lump.
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