Mark 8:15
And he charged them, saying: Take heed, and beware of the leaven of the Pharisees, and of the leaven of Herod.
Luke 12:1
In the mean time, when myriads of the people had come together, so that they trod one upon another, he began to say to his disciples first of all: Beware of the leaven of the Pharisees, which is hypocrisy.
Galatians 5:9
A little leaven leavens the whole mass.
Matthew 16:6
And Jesus said to them: Take heed and be ware of the leaven of the Pharisees and Sadducees.
Matthew 16:11-12
How is it that you do not understand, that I did not speak of bread when I commanded you to beware of the leaven of the Pharisees and of the Sadducees?
Luke 21:34
And take heed to yourselves, lest your hearts become heavy with reveling and drunkenness and the cares of life, and that day come upon you when you look not for it.
Acts 14:22
strengthening the souls of the disciples, exhorting them to continue in the faith, and saying, that through many afflictions we mast enter the kingdom of God.
1 Corinthians 5:6-8
Your boasting is not good; know you not that a little leaven leavens the whole mass?
1 Peter 4:2
so that he no longer lives the rest of his time in the flesh, according to the desires of men, but according to the will of God.