Matthew 13:33; Matthew 16:6; Matthew 16:11; Matthew 16:12

Matthew 13:33

33 He told them still another parable: “The kingdom of heaven is like yeast that a woman took and mixed into about sixty poundsof flour until it worked all through the dough.”

Matthew 16:6

6 “Be careful,” Jesus said to them. “Be on your guard against the yeast of the Pharisees and Sadducees.”

Matthew 16:11

11 How is it you don’t understand that I was not talking to you about bread? But be on your guard against the yeast of the Pharisees and Sadducees.”

Matthew 16:12

12 Then they understood that he was not telling them to guard against the yeast used in bread, but against the teaching of the Pharisees and Sadducees.