Mark 8:15
And he charged them, saying, Observe and beware of the leaven of the Pharisees, and of the leaven of Herod.
Luke 12:1
AT that time, the multitude being assembled by ten thousands, so that they trod one on another, he said to his disciples, Beware, first, 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, Observe and beware of the leaven of the Pharisees and Sadducees.
Matthew 16:11-12
Why do you not understand that I spoke to you not of bread, to beware of the leaven of the Pharisees and Sadducees?
Luke 21:34
Take heed to yourselves, that your hearts be not oppressed with revelling and drunkenness, and worldly cares, and that day come upon you suddenly;
Acts 14:22
confirming the souls of the disciples, and exhorting them to continue in the faith, and that through many afflictions we must enter into the kingdom of God.
1 Corinthians 5:6-8
Your rejoicing is not good. Do you not know that a little leaven leavens the whole mass?
1 Peter 4:2
that you may no longer live the rest of your time in the flesh according to the desires of men, but according to the will of God.