Matthew 16:6
Presently Jesus said to them: "Take care and be on your guard against the leaven of the Pharisees and Sadducees."
Luke 12:1
Meanwhile the people had gathered in thousands, so that they trod upon one another, when Jesus, addressing himself to his disciples, began by saying to them: "Be on your guard against the leaven--that is, the hypocrisy--of the Pharisees.
Mark 8:15
So Jesus gave them this warning. "Take care," he said, "beware of the leaven of the Pharisees and the leaven of Herod."
1 Corinthians 5:6-8
Your boasting is unseemly. Do not you know that even a little leaven leavens all the dough?
Galatians 5:9
A little leaven leavens all the dough.
Matthew 16:12
Then they understood that he had told them to be on their guard, not against the leaven of bread, but against the teaching of the Pharisees and Sadducees.
Luke 12:15
And then he added: "Take care to keep yourselves free from every form of covetousness; for even in the height of his prosperity a man's true Life does not depend on what he has."
2 Timothy 2:16-17
Avoid profane prattle. Those who indulge in it only get deeper into irreligious ways,