Bible Verses About The Sadducees: Cautioned his disciples against their principles

Who said to them: Take heed and beware of the leaven of the Pharisees and Sadducees.

Why do you not understand that it was not concerning bread I said to you: Beware of the leaven of the Pharisees and Sadducees?

Then they understood that he said not that they should beware of the leaven of bread, but of the doctrine of the Pharisees and Sadducees.