Presently Jesus said to them: "Take care and be on your guard against the leaven of the Pharisees and Sadducees."

How is it that you do not see that I was not speaking about bread? Be on your guard against the leaven of the Pharisees and Sadducees."

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.

So Jesus gave them this warning. "Take care," he said, "beware of the leaven of the Pharisees and the leaven of Herod."

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.

Your boasting is unseemly. Do not you know that even a little leaven leavens all the dough?

Get rid entirely of the old leaven, so that you may be like new dough-free from leaven, as in truth you are. For our Passover Lamb is already sacrificed-Christ himself;

Therefore let us keep our festival, not with the leaven of former days, nor with the leaven of vice and wickedness, but with the unleavened bread of sincerity and truth.

A little leaven leavens all the dough.