Thematic Bible: Jesus warns his disciples against

And Jesus said to them, Take heed, and beware the leaven of the Pharisees and of the Sadducees. And they reasoned among themselves, saying, It is because we have taken no loaves. And knowing Jesus said to them, Why do you reason among yourselves because you took no loaves, little-faiths? read more.
Do you not yet understand, nor remember the five loaves of the five thousand, and how many hand baskets you took up; nor the seven loaves of the four thousand, and how many lunch baskets you took up? How is it that you do not understand that I did not speak to you about loaves, but to beware of the leaven of the Pharisees and of the Sadducees? Then they understood that He did not say to beware of the leaven of bread, but of the doctrine of the Pharisees and Sadducees.