Matthew 16:6
Jesus said to them, "Watch and beware of the leaven of the Pharisees and Sadducees."
Luke 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.
Mark 8:15
And he cautioned them, saying, "Watch out; 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?
Galatians 5:9
A little leaven leavens the whole lump.
Exodus 12:15-19
Seven days you shall eat unleavened bread. On the first day you shall remove leaven out of your houses, for if anyone eats what is leavened, from the first day until the seventh day, that person shall be cut off from Israel.
Leviticus 2:11
"No grain offering that you bring to the LORD shall be made with leaven, for you shall burn no leaven nor any honey as a food offering to the LORD.
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 care, and be on your guard against all covetousness, for one's life does not consist in the abundance of his possessions."
2 Timothy 2:16-17
But avoid irreverent babble, for it will lead people into more and more ungodliness,