Matthew 16:6 in the King James Version
Then Jesus said unto them, Take heed and beware of the leaven of the Pharisees and of the Sadducees.
Context
5 The disciples came to the other side and had forgotten to take bread.
6 Jesus said to them, “Take heed and beware of the yeast of the Pharisees and Sadducees.”
7 They reasoned among themselves, saying, “We brought no bread.”