John 4:33

So the disciples began questioning one another. "Can it be," they said, "that some one has brought Him something to eat?"

and when Jesus said to them, "See to it: beware of the yeast of the Pharisees and Sadducees,"

But they did not understand His meaning: it was veiled from them that they might not perceive it, and they were afraid to ask Him about it.

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