Matthew 16:6 in the World English Bible
Jesus said to them, “Take heed and beware of the yeast of the Pharisees and Sadducees.”
Context
5 And when his disciples were come to the other side, they had forgotten to take bread.
6 Then Jesus said unto them, Take heed and beware of the leaven of the Pharisees and of the Sadducees.
7 And they reasoned among themselves, saying, It is because we have taken no bread.