Matthew 16:6
Then Jesus said to them, "Take heed and beware of the leaven of the Pharisees and the Sadducees."
Luke 12:1
In the meantime, when so many thousands of the multitude had gathered together 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.
Mark 8:15
And he cautioned them, saying, "Take heed, beware of the leaven of the Pharisees and the leaven of Herod."
1 Corinthians 5:6-8
Your boasting is not good. Do you not know that a little leaven leavens the whole lump of dough?
Galatians 5:9
A little leaven leavens the whole lump of dough.
Matthew 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.
Luke 12:15
And he said to them, "Take heed, and beware of all covetousness; for a man's life does not consist in the abundance of his possessions."
2 Timothy 2:16-17
Avoid godless chatter, for it will lead people into more and more ungodliness,