Then they understood that he had not told them to beware of the leaven of bread, but of the teaching of the Pharisees and Sadducees.
How could you not understand that I was not talking about bread when I told you to beware of the leaven of the Pharisees and Sadducees?”
But when John saw many of the Pharisees and Sadducees coming to his baptism, he said to them, “You brood of vipers, who warned you to flee from the coming wrath?
For I tell you, unless your righteousness surpasses that of the scribes and Pharisees, you will certainly not enter the kingdom of heaven.
(For the Sadducees say that there is no resurrection, and that there are neither angels nor spirits, but the Pharisees acknowledge them all.)
Your boasting is not good. Do you not know that a little leaven leavens the whole lump?