Now the disciples had forgotten to bring any bread; and they had only one loaf with them in the boat. And he cautioned them, saying, “Watch out—beware of the yeast of the Pharisees and the yeast of Herod.” They said to one another, “It is because we have no bread.” And becoming aware of it, Jesus said to them, “Why are you talking about having no bread? Do you still not perceive or understand? Are your hearts hardened? Do you have eyes, and fail to see? Do you have ears, and fail to hear?...