Mark 8:14-21

Now they had forgotten to take bread, except for one loaf they had with them in the boat. And Jesus ordered them, “Watch out! Beware of the yeast of the Pharisees and the yeast of Herod!” So they began to discuss with one another about having no bread. When he learned of this, Jesus said to them, “Why are you arguing about having no bread? Do you still not see or understand? Have your hearts been hardened? Though you have eyes, don’t you see? And though you have ears, can’t you hear? Don’t you remember? When I broke the five loaves for the five thousand, how many baskets full of pieces did you pick up?” They replied, “Twelve.” “When I broke the seven loaves for the four thousand, how many baskets full of pieces did you pick up?” They replied, “Seven.” Then he said to them, “Do you still not understand?”