11 The Pharisees came out and began to argue with Him, demanding of Him a sign from heaven to test Him.
12 But sighing deeply in His spirit, He said, “Why does this generation demand a sign? I assure you: No sign will be given to this generation! ”
13 Then He left them, got on board the boat again, and went to the other side.
14 They had forgotten to take bread and had only one loaf with them in the boat.
15 Then He commanded them: “Watch out! Beware of the yeast of the Pharisees and the yeast of Herod.”
16 They were discussing among themselves that they did not have any bread.
17 Aware of this, He said to them, “Why are you discussing that you do not have any bread? Don’t you understand or comprehend? Is your heart hardened?