A wicked and adulterous generation seeks after a sign. And no sign shall be given it, except the sign of the prophet Jonah. And leaving them, He departed. His disciples having come to the other side forgot to take bread. And Jesus said to them; See and beware of the leaven of the Pharisees and Sadducees. read more.
And they were reasoning among themselves, saying, That it is because we did not take bread. And Jesus knowing said to them, Why do you reason among yourselves, O ye of little faith, because you did not take bread? Do you not yet understand? do you not remember the five loaves of the five thousand, and how many baskets ye took up? Nor the seven loaves of the four thousand, and how many baskets you took up? How do you not understand that I did not speak to you concerning bread, to beware of the leaven of the Pharisees and the Sadducees. Then they understood that He did not say to beware of the leaven of the (bread) of the Pharisees and Sadducees, but of the teaching of the Pharisees and Sadducees.

And having left them, coming in again He departed to the other side. And they forgot to take bread; and had but one loaf with them in the ship. And He commanded them, saying, See, beware of the leaven of the Pharisees, and of the leaven of Herod. read more.
And they were reasoning to one another, saying, It is because we have not bread. And Jesus knowing says to them, Why do you reason because you have not bread? do you not yet know, nor understand? have you your heart still hardened? Having eyes, do you not see? having ears, do you not hear? and do you not remember? When I broke the five loaves to the five thousand, how many baskets full of fragments did you take up? They say to Him, Twelve. And when the seven loaves to the four thousand, how many baskets full of fragments did you take up? And they said, Seven. And He said to them, Do you not yet understand?