Mark 8:15
So he cautioned them, "See and beware of the leaven of the Pharisees and the leaven of Herod."
Luke 12:1
Meanwhile as the crowd was gathering in its thousands till they trod on one another, he proceeded to say to his disciples first of all, "Be on your guard against the leaven of the Pharisees, which is hypocrisy,
Galatians 5:9
(A morsel of dough will leaven the whole lump.)
Matthew 16:6
Jesus said to them, "See and beware of the leaven of the Pharisees and Sadducees."
Matthew 16:11-12
Why do you not see that I was not speaking to you about bread? No, beware of the leaven of the Pharisees and Sadducees."
Luke 21:34
Take heed to yourselves in case your hearts get overpowered by dissipation and drunkenness and worldly anxieties, and so that Day catches you suddenly like a trap.
Acts 14:22
strengthening the souls of the disciples, encouraging them to hold by the faith, and telling them that "we have to get into the Realm of God through many a trouble."
1 Corinthians 5:6-8
Your boasting is no credit to you. Do you not know that a morsel of dough will leaven the whole lump?
1 Peter 4:2
nerve you to spend the rest of your time in the flesh for the will of God and no longer for human passions.