Take heed ... - That is, be cautious, be on your guard. The leaven of the Pharisees and Sadducees - Leaven is used in making bread. It passes secretly, silently, but certainly through the mass of dough. See the notes at Matthew 13:33. "None can see its progress." So it was with t...
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Take heed ... - That is, be cautious, be on your guard. The leaven of the Pharisees and Sadducees - Leaven is used in making bread. It passes secretly, silently, but certainly through the mass of dough. See the notes at Matthew 13:33. "None can see its progress." So it was with the doctrines of the Pharisees. They were insinuating, artful, plausible. They concealed the real tendency of their doctrines; they instilled them secretly into the mind, until they pervaded all the faculties like leaven. They reasoned ... - The disciples did not understand him as referring to the doctrine of the Pharisees and Sadducees, because the word "leaven" was not often used among the Jews to denote doctrines, no other instance of this use of the word occurring in the Scriptures. Besides, the Jews had many particular rules about the leaven (yeast) which might be used in making bread. Many held that it was not lawful to eat bread made by the Gentiles; and the disciples, perhaps, supposed that he was cautioning them not to procure a supply from the Pharisees and Sadducees. O ye of little faith! - Jesus, in reply, said that they should not be so anxious about the supply of their temporal wants. They should not have supposed, after the miracles that he had performed in feeding so many, that he would caution them to be anxious about procuring bread for their necessities.